{"title":"Yoshimura","description":"\u003cp\u003eYoshimura has been the gold standard in motorcycle exhaust systems since 1954. From their legendary racing heritage to today's cutting-edge technology, Yoshimura exhaust systems deliver proven horsepower gains, weight savings, and that unmistakable sound serious riders demand.\u003c\/p\u003e\n\u003cp\u003eShop our selection of Yoshimura slip-on and full exhaust systems for sport bikes, dirt bikes, dual-sports, ATVs, and UTVs. Every Yoshimura product is engineered in the USA and backed by decades of professional racing success.\u003c\/p\u003e","products":[{"product_id":"ktm-450sx-f-fe-22-23-husqv-fc450-re-22-23-rs-12-titanium-full-exhaust-w-titanium-muffler","title":"KTM 450SX-F FE 22-23 \/ HUSQV FC450 RE 22-23 RS-12 TITANIUM FULL EXHAUST, W\/ TITANIUM MUFFLER","description":"\u003cp\u003eIntroducing the newest RS-12 titanium full system for the 2022.5 KTM SX-F Factory Edition\/2023 SX-F 450 and 2022.5 Husqvarna Rockstar Edition FC450\/2023 FC450 to give the serious racer every advantage possible.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHusqvarna FC450 2023\u003c\/li\u003e\n\u003cli\u003eHusqvarna FC450 Factory Edition 2022\u003c\/li\u003e\n\u003cli\u003eKTM 450SX F 2023\u003c\/li\u003e\n\u003cli\u003eKTM 450SX F FACTORY EDITION 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eTuned header resonator for enhanced power characteristics and improved sound\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design and innovation end cap detailing as expected from Yoshimura\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers inner cap mounted design improves durability, and eases servicing as compared to other sandwich mounting designs most commonly found in the industry\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) KTM 450SX-F FE 22-23 \/ HUSQV FC450 RE 22-23 RS-12 TITANIUM FULL EXHAUST, W\/ TITANIUM MUFFLER\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShips fast from DuneGoonShop!\u003c\/p\u003e","brand":"Moto Shop","offers":[{"title":"Default Title","offer_id":43731244777697,"sku":"264631S720","price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/ktm-450sx-f-fe-22-23-husqv-fc450-re-22-23-rs-12-titanium-full-exhaust-w-titanium-muffler-6072742.webp?v=1763570359"},{"product_id":"yz450f-20-22-rs-12-stainless-full-exhaust-w-aluminum-muffler","title":"YZ450F 20-22 RS-12 STAINLESS FULL EXHAUST SYSTEM W\/ ALUMINUM MUFFLER","description":"\u003cp\u003eYamaha' s YZ450F is one the bikes that seems to win the accolades of media testers of almost every level. We set out to make an even better experience with big blue.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eYamaha YZ450F 2020\u003c\/li\u003e\n\u003cli\u003eYamaha YZ450F 2021\u003c\/li\u003e\n\u003cli\u003eYamaha YZ450F 2022\u003c\/li\u003e\n\u003cli\u003eYamaha YZ450FX 2022\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive intelligently designed, the RS-12 asymmetrical shaped muffler allows maximize capacity and incorporates a resonance chamber for managing sound and increasing usable power. RS-12's unique profile also provides more clearance for tire and brake caliper.\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design of RS-12 enables the system to be pushed forward thus helping with weight centralization without sacrificing performance.\u003c\/li\u003e\n\u003cli\u003eImproved performance gains with refined power delivery.\u003c\/li\u003e\n\u003cli\u003eNew patent pending Precision Taper Fit (PTF) insert ring makes it easy to install and remove sound inserts and spark arresters.\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with industry leading design, innovation and detailing as expected from Yoshimura.\u003c\/li\u003e\n\u003cli\u003eCarbon end cap covers the RS-12 inner cap, thus improving looks, while providing easier service as compared to other sandwich mounting designs most commonly found in the industry.\u003c\/li\u003e\n\u003cli\u003eProudly designed, developed and made in the USA!\u003c\/li\u003e\n\u003cli\u003eRepack Kits, optional Inserts and Spark Arresters are available for all models\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) YZ450F 20-22 RS-12 STAINLESS FULL EXHAUST SYSTEM W\/ ALUMINUM MUFFLER\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eShips fast from DuneGoonShop!\u003c\/p\u003e","brand":"Moto Shop","offers":[{"title":"Default Title","offer_id":43731357303009,"sku":"234830S320","price":1019.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/products\/yz450f-20-22-rs-12-stainless-full-exhaust-system-w-aluminum-muffler-5205762.webp?v=1763570131"},{"product_id":"yoshimura-rs-12-exhaust-system-honda-crf250r-crf250rx","title":"Yoshimura RS-12 Exhaust System - Honda CRF250R \/ CRF250RX (2022-2024)","description":"\u003cp\u003e\u003cstrong\u003e✓ Fits:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2022-2024 Honda CRF250R\u003c\/li\u003e\n\u003cli\u003e2022-2024 Honda CRF250RX\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e✓ Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eComplete Yoshimura RS-12 Full System Exhaust (header + mid-pipe + muffler)\u003c\/li\u003e\n\u003cli\u003eCarbon fiber end cap with precision-machined aluminum inlet\u003c\/li\u003e\n\u003cli\u003eYoshimura decals\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation using OEM mounts\u003c\/li\u003e\n\u003cli\u003eDesigned for closed-course competition use\u003c\/li\u003e\n\u003cli\u003eManufacturer warranty provided by Yoshimura R\u0026amp;D\u003c\/li\u003e\n\u003cli\u003eContact: Customer Service - (909) 628-4722 or sales@yoshimura-rd.com\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003e✓ What's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMounting hardware and instructions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eShips fast from DuneGoonShop!\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47281478926561,"sku":"961-1920","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/yoshimura-rs-12-exhaust-system-honda-crf250r-crf250rx-8279780.jpg?v=1763566900"},{"product_id":"yoshimura-rs2-full-system-gasgas-ex-mc-250f-350f-21-23","title":"Yoshimura RS-12 Full System - Gas Gas \/ Husqvarna \/ KTM 250\/350 4-Stroke 2019-2023","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2021-2023 Gas Gas EX250F \/ MC250F\u003c\/li\u003e\n\u003cli\u003e2021-2023 Gas Gas EX350F \/ MC350F\u003c\/li\u003e\n\u003cli\u003e2019-2022 Husqvarna FC250 \/ FC350 \/ FX350\u003c\/li\u003e\n\u003cli\u003e2019-2022 KTM 250SX-F \/ 350SX-F \/ 250XC-F \/ 350XC-F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately (961-9027)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47883772887265,"sku":"961-4416","price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/2eda-5f50ed9205595.jpg?v=1769126575"},{"product_id":"yoshimura-rs2-full-system-gasgas-250f-350f-21-25","title":"Yoshimura RS-12 Full System - Husqvarna \/ KTM 250\/350 4-Stroke 2022-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2022 Husqvarna FC250 Rockstar Edition\u003c\/li\u003e\n\u003cli\u003e2023-2024 Husqvarna FC250 \/ FC350 \/ FX350\u003c\/li\u003e\n\u003cli\u003e2022 KTM 250SX-F Factory Edition\u003c\/li\u003e\n\u003cli\u003e2023-2025 KTM 250SX-F \/ 250XC-F\u003c\/li\u003e\n\u003cli\u003e2023-2024 KTM 350SX-F \/ 350XC-F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately (961-9027)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47883772985569,"sku":"961-4420","price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/b72c-65cfc7255baca.jpg?v=1769126385"},{"product_id":"yoshimura-rs2-slip-on-gasgas-250f-350f-450f-21-25","title":"Yoshimura RS-12 Slip-On - Husqvarna \/ KTM 250\/350\/450 4-Stroke 2023-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Slip-On. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\u003cp\u003eThis slip-on features a stainless steel canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2023-2024 Husqvarna FC250 \/ FC350 \/ FX350\u003c\/li\u003e\n\u003cli\u003e2023-2024 Husqvarna FC450 \/ FX450\u003c\/li\u003e\n\u003cli\u003e2023-2025 KTM 250SX-F \/ 250XC-F\u003c\/li\u003e\n\u003cli\u003e2023-2024 KTM 350SX-F \/ 350XC-F\u003c\/li\u003e\n\u003cli\u003e2023-2024 KTM 450SX-F \/ 450XC-F\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately (961-9027)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47883773051105,"sku":"961-4421","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/5d1a-64b183428db88.png?v=1769126336"},{"product_id":"yoshimura-rs4-slip-on-spark-arrestor-gasgas-ex-mc-450f-21-23","title":"Yoshimura RS-4 Slip-On - Gas Gas EX\/MC450F \/ Husqvarna FC450 2019-2023","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Slip-On. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\u003cp\u003eThis slip-on features a stainless steel mid-pipe, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e2022-2023 Gas Gas EX450F \/ MC450F\u003c\/li\u003e\n\u003cli\u003e2019-2022 Husqvarna FC450\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor (961-9026)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47883773116641,"sku":"961-4412","price":789.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/9c08-5cc7315de0b10.jpg?v=1769126295"},{"product_id":"yoshimura-rs2-titanium-full-system-gasgas-ex-mc-450f-24-25","title":"Yoshimura RS-12 Titanium Full System - Husqvarna \/ KTM 450 4-Stroke 2023-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Titanium Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\u003cp\u003eThis system features a titanium header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. 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It installs in the end of your muffler for riding on trails and public land where a spark arrestor is required, and it is designed to keep performance loss to a minimum.\u003c\/p\u003e\u003cp\u003eGenuine Yoshimura replacement parts are built to the same standards as their factory race exhausts, so you know they will fit right and hold up. Check that your exhaust calls for the 1.5 inch RS-12 spark arrestor before ordering. Yoshimura has been building race-winning exhausts since 1954, and the same quality goes into every replacement part. Keeping a spark arrestor on hand means you are ready to ride the trails as well as the track.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eYoshimura RS-12 systems and slip-ons that use the 961-9073 spark arrestor, including Honda CRF250R\/RX 2022-2025, CRF450R\/RX 2021-2025, Kawasaki KX250 2021-2024, KX450 2019-2025, and Husqvarna\/KTM 450 RS-12 systems\u003c\/li\u003e\n\u003cli\u003e2024-2025 Gas Gas EX450F \/ MC450F with Yoshimura RS-12 exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eGenuine Yoshimura RS-12 spark arrestor\u003c\/li\u003e\n\u003cli\u003eUSFS approved for trail use\u003c\/li\u003e\n\u003cli\u003eEasy installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003e(1) Yoshimura RS-12 Spark Arrestor Insert\u003c\/li\u003e\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":47883773444321,"sku":"961-9073","price":49.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/a1a8-6254379b27a7f.jpg?v=1769125290"},{"product_id":"yoshimura-rs2-full-system-exhaust-raptor-700","title":"Yoshimura RS-2 Signature Full System Exhaust - Yamaha Raptor 700","description":"\u003ch3\u003e✓ Fits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e2015-2026 Yamaha YFM700R Raptor\u003c\/strong\u003e, including the Raptor 700 and Raptor 700R SE. A complete bolt-on full system that wakes up your Raptor with more power and that unmistakable Yoshimura sound.\u003c\/p\u003e\n\u003ch3\u003e✓ Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSignature Series RS-2 full system, SS-AL-SS construction (stainless header, aluminum muffler, stainless end cap)\u003c\/li\u003e\n\u003cli\u003eDiamond-shape muffler with maximized internal volume for strong, broad power\u003c\/li\u003e\n\u003cli\u003eStraight, single-core baffle for free-flowing performance\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible, so you can run it where it is required\u003c\/li\u003e\n\u003cli\u003eDeveloped with the same high-tech data acquisition and GPS tuning Yoshimura uses on its race program\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e✓ What's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne Yoshimura RS-2 Signature full exhaust system (header, muffler, and mounting hardware)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eWarranty support is handled directly by Yoshimura: 909-628-4722 or sales@yoshimura-rd.com\u003c\/em\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":50878881923297,"sku":"961-8175","price":779.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/Screenshot2026-10-10081148.png?v=1791645183"},{"product_id":"yoshimura-rs2-full-system-exhaust-yfz450","title":"Yoshimura RS-2 Signature Full System Exhaust - Yamaha YFZ450","description":"\u003ch3\u003e✓ Fits\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003e2004-2009 Yamaha YFZ450.\u003c\/strong\u003e A complete bolt-on full system that adds power and sharpens throttle response, with the unmistakable Yoshimura sound.\u003c\/p\u003e\n\u003cp\u003eThe RS-2 evolved from Yoshimura's original TRC muffler and was engineered for increased power and better power delivery. 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Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2004-2013 Honda CRF80F \/ CRF100F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLighter than stock\u003c\/li\u003e\n\u003cli\u003eImproved throttle response and power\u003c\/li\u003e\n\u003cli\u003eStainless steel header\u003c\/li\u003e\n\u003cli\u003eSpark arrestor included\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura TRS Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257730785,"sku":"961-1201","price":489.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/40a4-58f471062779d.jpg?v=1792715092"},{"product_id":"yoshimura-rs-2-enduro-series-full-system-honda-crf110f-2013-2018","title":"Yoshimura RS-2 Enduro Series Full System - Honda CRF110F 2013-2018","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Enduro Series Full System. Yoshimura's RS-2 Enduro Series is built for trail riders. The muffler has more volume than stock to bring the overall sound level down, and it comes with an installed spark arrestor, so it is 100% ready to hit the trails in all 50 states.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header with an installed spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2013-2018 Honda CRF110F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257763553,"sku":"961-1202","price":529.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/6d8e-587d45b92edc5.jpg?v=1792715096"},{"product_id":"yoshimura-rs-2-enduro-series-full-system-honda-crf150r-2007-2025","title":"Yoshimura RS-2 Enduro Series Full System - Honda CRF150R 2007-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Enduro Series Full System. Yoshimura's RS-2 Enduro Series is built for trail riders. The muffler has more volume than stock to bring the overall sound level down, and it comes with an installed spark arrestor, so it is 100% ready to hit the trails in all 50 states.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header with an installed spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2007-2025 Honda CRF150R\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257796321,"sku":"961-1204","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/dc9f-587d4687a5017.jpg?v=1792715099"},{"product_id":"yoshimura-rs-2-slip-on-honda-crf150r-2007-2025","title":"Yoshimura RS-2 Slip-On - Honda CRF150R 2007-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Slip-On. The RS-2 uses Yoshimura's diamond-shaped muffler with maximized internal volume and a straight, single core baffle for a clean, strong power delivery that is perfect for trail and play riding.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a aluminum canister with a stainless end cap and spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2007-2025 Honda CRF150R\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shape muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003eStraight, single core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Slip-On\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257829089,"sku":"961-1205","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/4956-58f471073a47e.jpg?v=1792715102"},{"product_id":"yoshimura-rs-2-enduro-series-full-system-honda-crf230f-2003-2019","title":"Yoshimura RS-2 Enduro Series Full System - Honda CRF230F 2003-2019","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Enduro Series Full System. Yoshimura's RS-2 Enduro Series is built for trail riders. The muffler has more volume than stock to bring the overall sound level down, and it comes with an installed spark arrestor, so it is 100% ready to hit the trails in all 50 states.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header with an installed spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2003-2019 Honda CRF230F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257861857,"sku":"961-1206","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/a220-587d46afedf03.jpg?v=1792715106"},{"product_id":"yoshimura-rs-4-full-system-honda-crf450x-2019-2025","title":"Yoshimura RS-4 Full System - Honda CRF450X 2019-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Full System. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2025 Honda CRF450X\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257894625,"sku":"961-1215","price":939.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/42ed-5cc730a42560f.jpg?v=1792715110"},{"product_id":"yoshimura-rs-9-dual-slip-on-honda-crf450r-crf450rx-2017-2018","title":"Yoshimura RS-9 Dual Slip-On - Honda CRF450R\/CRF450RX 2017-2018","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9 Dual Slip-On. The RS-9 uses a parallelogram-shaped muffler with maximized internal volume and a straight, single core baffle, plus Yoshimura's tunable insert system so you can set it up for the track or the trail.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a stainless steel canisters with carbon fiber end caps, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2017-2018 Honda CRF450R \/ CRF450RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParallelogram-shape muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003eStraight, single core baffle\u003c\/li\u003e\n\u003cli\u003eTunable insert system\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9 Dual Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257927393,"sku":"961-1909","price":979.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/c826-58f47124637da.jpg?v=1792715113"},{"product_id":"yoshimura-rs-9-dual-slip-on-honda-crf250r-crf250rx-2018-2019","title":"Yoshimura RS-9 Dual Slip-On - Honda CRF250R\/CRF250RX 2018-2019","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9 Dual Slip-On. The RS-9 uses a parallelogram-shaped muffler with maximized internal volume and a straight, single core baffle, plus Yoshimura's tunable insert system so you can set it up for the track or the trail.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a stainless steel canisters with carbon fiber end caps, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2018-2019 Honda CRF250R \/ CRF250RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParallelogram-shape muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003eStraight, single core baffle\u003c\/li\u003e\n\u003cli\u003eTunable insert system\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9 Dual Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257960161,"sku":"961-1910","price":989.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/71a4-5cc730c8afd45.jpg?v=1792715117"},{"product_id":"yoshimura-rs-9t-dual-full-system-honda-crf250r-crf250rx-2018-2021","title":"Yoshimura RS-9T Dual Full System - Honda CRF250R\/CRF250RX 2018-2021","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9T Dual Full System. The RS-9T Dual was dyno and track tested by Honda R\u0026amp;D Japan, the American Honda MX Team and the HRC All Japan MX Racing Team. Its compact, forward-positioned dual muffler design lowers the center of gravity for better mass centralization, and the larger RS-9T core improves throttle response and power in the mid and top end.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canisters with carbon fiber end caps, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2018-2021 Honda CRF250R \/ CRF250RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D Japan, American Honda MX Team and HRC All Japan MX Racing Team\u003c\/li\u003e\n\u003cli\u003e3-stage header for a broader overall range of power and throttle response\u003c\/li\u003e\n\u003cli\u003eTail pipe divider for smoother flow and better velocity to the right and left tail pipes\u003c\/li\u003e\n\u003cli\u003eCompact forward-positioned RS-9T dual muffler design lowers center of gravity for better mass centralization\u003c\/li\u003e\n\u003cli\u003eLarger RS-9T core improves throttle response and power in the mid and top end\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9T Dual Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132257992929,"sku":"961-1911","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/ea6a-6182c9bb84251.png?v=1792715119"},{"product_id":"yoshimura-rs-9t-dual-full-system-honda-crf450r-crf450rx-2017-2020","title":"Yoshimura RS-9T Dual Full System - Honda CRF450R\/CRF450RX 2017-2020","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9T Dual Full System. The RS-9T Dual was dyno and track tested by Honda R\u0026amp;D Japan, the American Honda MX Team and the HRC All Japan MX Racing Team. Its compact, forward-positioned dual muffler design lowers the center of gravity for better mass centralization, and the larger RS-9T core improves throttle response and power in the mid and top end.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canisters with carbon fiber end caps, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2017-2020 Honda CRF450R \/ CRF450RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDyno and track tested by Honda R\u0026amp;D Japan, American Honda MX Team and HRC All Japan MX Racing Team\u003c\/li\u003e\n\u003cli\u003e3-stage header for a broader overall range of power and throttle response\u003c\/li\u003e\n\u003cli\u003eTail pipe divider for smoother flow and better velocity to the right and left tail pipes\u003c\/li\u003e\n\u003cli\u003eCompact forward-positioned RS-9T dual muffler design lowers center of gravity for better mass centralization\u003c\/li\u003e\n\u003cli\u003eLarger RS-9T core improves throttle response and power in the mid and top end\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9T Dual Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258025697,"sku":"961-1912","price":1219.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/7b30-698f5410d9b1d.png?v=1792715123"},{"product_id":"yoshimura-rs-9t-enduro-series-full-system-honda-crf110f-2019-2025","title":"Yoshimura RS-9T Enduro Series Full System - Honda CRF110F 2019-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9T Enduro Series Full System. 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Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2025 Honda CRF110F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9T Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258058465,"sku":"961-1914","price":629.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/fc98-5d42e63e5dd5d.jpg?v=1792715126"},{"product_id":"yoshimura-rs-9t-enduro-series-full-system-honda-crf125f-2019-2025","title":"Yoshimura RS-9T Enduro Series Full System - Honda CRF125F 2019-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9T Enduro Series Full System. The RS-9T Enduro Series brings Yoshimura's latest RS-9T design to the trail. The muffler has more volume than stock for a lower overall dB level, and it includes an installed spark arrestor, so it is 100% ready to go on trails in all 50 states.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, carbon fiber canister and installed spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2025 Honda CRF125F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9T Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258091233,"sku":"961-1915","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/898c-5d42e65b39b64.jpg?v=1792715131"},{"product_id":"yoshimura-rs-2-enduro-series-full-system-honda-crf250f-2019-2025","title":"Yoshimura RS-2 Enduro Series Full System - Honda CRF250F 2019-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Enduro Series Full System. Yoshimura's RS-2 Enduro Series is built for trail riders. The muffler has more volume than stock to bring the overall sound level down, and it comes with an installed spark arrestor, so it is 100% ready to hit the trails in all 50 states.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header with an installed spark arrestor, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2025 Honda CRF250F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258124001,"sku":"961-1916","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/2259-5d42f503bed81.jpg?v=1792715134"},{"product_id":"yoshimura-rs-12-slip-on-honda-crf450r-crf450rx-2021-2024","title":"Yoshimura RS-12 Slip-On - Honda CRF450R\/CRF450RX 2021-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Slip-On. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a stainless steel canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2021-2024 Honda CRF450R \/ CRF450RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258156769,"sku":"961-1919","price":849.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/2410-5f6a7f54ec916.jpg?v=1792715137"},{"product_id":"yoshimura-rs-12-slip-on-honda-crf250r-crf250rx-2022-2024","title":"Yoshimura RS-12 Slip-On - Honda CRF250R\/CRF250RX 2022-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Slip-On. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a stainless steel canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2022-2024 Honda CRF250R \/ CRF250RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258255073,"sku":"961-1921","price":849.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/8eb1-6116b72a2a2ba.jpg?v=1792715140"},{"product_id":"yoshimura-rs-12-full-system-honda-crf250r-crf250rx-2025","title":"Yoshimura RS-12 Full System - Honda CRF250R\/CRF250RX 2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2025 Honda CRF250R \/ CRF250RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258287841,"sku":"961-1923","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/16d2-66d89e247ab48.jpg?v=1792715143"},{"product_id":"yoshimura-rs-12-full-system-honda-crf450r-crf450rx-2025","title":"Yoshimura RS-12 Full System - Honda CRF450R\/CRF450RX 2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2025 Honda CRF450R \/ CRF450RX\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132258418913,"sku":"961-1925","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/16d2-66d89e247ab48_5c4decf0-8675-40c2-9988-5b1a3b98b30e.jpg?v=1792715147"},{"product_id":"yoshimura-rs-2-enduro-series-full-system-kawasaki-klx110-suzuki-dr-z110-2002-2024","title":"Yoshimura RS-2 Enduro Series Full System - Kawasaki KLX110 \/ Suzuki DR-Z110 2002-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Enduro Series Full System. 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Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2002-2024 Kawasaki KLX110\u003c\/li\u003e\n\u003cli\u003e2003-2005 Suzuki DR-Z110\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEnduro series muffler has more volume than stock for a lower overall dB level\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor, 100% ready for trails in all 50 states\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eCheck local regulations for trail use\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Enduro Series Full System\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259008737,"sku":"961-3202","price":539.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/9b94-587d4ab77d63e.jpg?v=1792715150"},{"product_id":"yoshimura-rs-4-full-system-kawasaki-kx250f-2017-2020","title":"Yoshimura RS-4 Full System - Kawasaki KX250F 2017-2020","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Full System. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2017-2020 Kawasaki KX250F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259041505,"sku":"961-3410","price":710.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/7797-5cc730f51ad83.jpg?v=1792715154"},{"product_id":"yoshimura-rs-4-slip-on-kawasaki-kx250f-2017-2020","title":"Yoshimura RS-4 Slip-On - Kawasaki KX250F 2017-2020","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Slip-On. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a aluminum canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2017-2020 Kawasaki KX250F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259074273,"sku":"961-3411","price":557.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/a12c-5cc731021c593.jpg?v=1792715157"},{"product_id":"yoshimura-rs-12-full-system-kawasaki-kx450f-kx450x-2019-2023","title":"Yoshimura RS-12 Full System - Kawasaki KX450F\/KX450X 2019-2023","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2023 Kawasaki KX450F \/ KX450X\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259107041,"sku":"961-3414","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/93d6-605a4bba19ace.jpg?v=1792715160"},{"product_id":"yoshimura-rs-12-full-system-kawasaki-kx250f-kx250x-2021-2024","title":"Yoshimura RS-12 Full System - Kawasaki KX250F\/KX250X 2021-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2021-2024 Kawasaki KX250F \/ KX250X\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259139809,"sku":"961-3415","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/8502-60429d1b4b3c1.jpg?v=1792715163"},{"product_id":"yoshimura-rs-2-slip-on-kawasaki-klx300r-2020-2024","title":"Yoshimura RS-2 Slip-On - Kawasaki KLX300R 2020-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-2 Slip-On. 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Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2020-2024 Kawasaki KLX300R\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDiamond-shape muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003eStraight, single core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-2 Slip-On\u003c\/li\u003e\n\u003cli\u003eInstalled spark arrestor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259270881,"sku":"961-3416","price":549.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/f7b3-652ec268dffa1.jpg?v=1792715167"},{"product_id":"yoshimura-rs-12-full-system-kawasaki-kx250f-kx250x-2025","title":"Yoshimura RS-12 Full System - Kawasaki KX250F\/KX250X 2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2025 Kawasaki KX250F \/ KX250X\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259303649,"sku":"961-3418","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/92c2-67b759bf32c25.png?v=1792715171"},{"product_id":"yoshimura-rs-9-full-system-kawasaki-klx140-g-l-r-rf-rl-2011-2024","title":"Yoshimura RS-9 Full System - Kawasaki KLX140\/G\/L\/R\/RF\/RL 2011-2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-9 Full System. The RS-9 uses a parallelogram-shaped muffler with maximized internal volume and a straight, single core baffle, plus Yoshimura's tunable insert system so you can set it up for the track or the trail.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2011-2024 Kawasaki KLX140 \/ KLX140G \/ KLX140L \/ KLX140R \/ KLX140RF \/ KLX140RL\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eParallelogram-shape muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003eStraight, single core baffle\u003c\/li\u003e\n\u003cli\u003eTunable insert system\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-9 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259369185,"sku":"961-3901","price":619.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/df02-58f4712e9b046.jpg?v=1792715177"},{"product_id":"yoshimura-rs-12-full-system-husqvarna-fe501-ktm-500exc-f-2020-2023","title":"Yoshimura RS-12 Full System - Husqvarna FE501 \/ KTM 500EXC-F 2020-2023","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2020-2023 Husqvarna FE501\u003c\/li\u003e\n\u003cli\u003e2020-2023 KTM 500EXC-F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259401953,"sku":"961-4417","price":1149.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/917b-605a4bb9d5193.jpg?v=1792715181"},{"product_id":"yoshimura-rs-12-slip-on-husqvarna-fe350-fe501s-ktm-350exc-f-500exc-f-2024","title":"Yoshimura RS-12 Slip-On - Husqvarna FE350\/FE501S \/ KTM 350EXC-F\/500EXC-F 2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Slip-On. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a stainless steel canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2024 Husqvarna FE350 \/ FE501S\u003c\/li\u003e\n\u003cli\u003e2024 KTM 350EXC-F \/ 500EXC-F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259434721,"sku":"961-4422","price":749.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/d99f-669e68e0b3285.png?v=1792715185"},{"product_id":"yoshimura-rs-12-full-system-suzuki-rm-z250-2019-2025","title":"Yoshimura RS-12 Full System - Suzuki RM-Z250 2019-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2019-2025 Suzuki RM-Z250\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259500257,"sku":"961-5410","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/042c-5df7fe113fa6b.jpg?v=1792715188"},{"product_id":"yoshimura-rs-12-full-system-suzuki-rm-z450-2018-2025","title":"Yoshimura RS-12 Full System - Suzuki RM-Z450 2018-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2018-2025 Suzuki RM-Z450\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259565793,"sku":"961-5411","price":899.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/455f-5df7fe240d29e.jpg?v=1792715191"},{"product_id":"yoshimura-rs-4-full-system-yamaha-wr450f-2012-2015","title":"Yoshimura RS-4 Full System - Yamaha WR450F 2012-2015","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Full System. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2012-2015 Yamaha WR450F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259729633,"sku":"961-6401","price":769.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/235a-587d52fdd47dd.jpg?v=1792715194"},{"product_id":"yoshimura-rs-4-full-system-yamaha-yz450f-2018-2019","title":"Yoshimura RS-4 Full System - Yamaha YZ450F 2018-2019","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Full System. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header, aluminum canister and carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2018-2019 Yamaha YZ450F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259827937,"sku":"961-6412","price":809.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/3beb-5cc731fb83de6.jpg?v=1792715196"},{"product_id":"yoshimura-rs-4-slip-on-yamaha-yz250f-yz250fx-2019-2023","title":"Yoshimura RS-4 Slip-On - Yamaha YZ250F\/YZ250FX 2019-2023","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Slip-On. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a aluminum canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2019-2023 Yamaha YZ250F\u003c\/li\u003e\n\u003cli\u003e2020-2023 Yamaha YZ250FX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259893473,"sku":"961-6415","price":659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/2bcf-5cc73223ea618.jpg?v=1792715200"},{"product_id":"yoshimura-rs-4-slip-on-yamaha-yz450f-wr450f-yz450fx-2018-2022","title":"Yoshimura RS-4 Slip-On - Yamaha YZ450F\/WR450F\/YZ450FX 2018-2022","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-4 Slip-On. The RS-4 is one of Yoshimura's most proven designs. Its pentagonal-shaped muffler maximizes internal volume, and the polyresonant duplex front chamber with a stepped, two-stage core baffle delivers strong, usable power while managing sound.\u003c\/p\u003e\n\u003cp\u003eThis slip-on features a aluminum canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2018-2022 Yamaha YZ450F\u003c\/li\u003e\n\u003cli\u003e2019-2022 Yamaha WR450F \/ YZ450FX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePentagonal-shaped muffler\u003c\/li\u003e\n\u003cli\u003eMaximized internal volume\u003c\/li\u003e\n\u003cli\u003ePolyresonant duplex front chamber\u003c\/li\u003e\n\u003cli\u003eStepped, two-stage core baffle\u003c\/li\u003e\n\u003cli\u003eSpark arrestor and sound insert compatible\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-4 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259926241,"sku":"961-6416","price":602.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/f591-5d9d06acb8adc.jpg?v=1792715204"},{"product_id":"yoshimura-rs-12-full-system-yamaha-yz450f-yz450fx-2023-2025","title":"Yoshimura RS-12 Full System - Yamaha YZ450F\/YZ450FX 2023-2025","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2023-2025 Yamaha YZ450F\u003c\/li\u003e\n\u003cli\u003e2023-2025 Yamaha YZ450FX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132259959009,"sku":"961-6420","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/454f-63b488e6a1a11.jpg?v=1792715205"},{"product_id":"yoshimura-rs-12-full-system-yamaha-yz250f-yz250fx-2024","title":"Yoshimura RS-12 Full System - Yamaha YZ250F\/YZ250FX 2024","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Full System. The RS-12 is the result of more than three years of development and testing with Yoshimura's factory sponsored athletes, technicians and engineers. One look and you can see it is like nothing else on the market, and the closer you get, the more details you notice, from the matte carbon fiber end cap with decal inlays to the precisely machined joints.\u003c\/p\u003e\n\u003cp\u003eThis system features a stainless steel header and canister with a carbon fiber end cap, built to the same standards as Yoshimura's factory race exhausts. Yoshimura builds exhaust systems for factory race efforts, and the knowledge they gain on the track goes straight into their consumer products. That cycle of development is what makes the Yoshimura name synonymous with quality and performance, delivering more power, lower sound levels and better mass centralization. Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2024 Yamaha YZ250F\u003c\/li\u003e\n\u003cli\u003e2024 Yamaha YZ250FX\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Full System\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132260090081,"sku":"961-6421","price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/a006-659f266d5a03a.png?v=1792715214"},{"product_id":"yoshimura-rs-12-slip-on-yamaha-yz450f-2026","title":"Yoshimura RS-12 Slip-On - Yamaha YZ450F 2026","description":"\u003cp\u003eUpgrade your bike with the Yoshimura RS-12 Slip-On. 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Every Yoshimura system is designed and dyno tested for the specific model it fits, so you get real gains you can feel, not just more noise.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Fits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003e2026 Yamaha YZ450F\u003c\/li\u003e\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ Features\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eAggressive, asymmetrical RS-12 profile maximizes muffler volume, manages sound, adds power and gives more clearance for tire and brake caliper\u003c\/li\u003e\n\u003cli\u003ePrecision machined joints\u003c\/li\u003e\n\u003cli\u003eWorks-look matte carbon fiber end cap with intricate details\u003c\/li\u003e\n\u003cli\u003eCarbon fiber cap eases servicing compared to sandwich mounting designs\u003c\/li\u003e\n\u003cli\u003ePatent pending Precision Taper Fit (PTF) insert ring\u003c\/li\u003e\n\u003cli\u003eTapered muffler body inlet design\u003c\/li\u003e\n\u003cli\u003eBolt-on fit for the listed models\u003c\/li\u003e\n\u003cli\u003eFor closed-course competition use only\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003e✓ What's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e(1) Yoshimura RS-12 Slip-On\u003c\/li\u003e\n\u003cli\u003eSpark arrestor sold separately\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eShips fast from DuneGoonShop!\u003c\/strong\u003e\u003c\/p\u003e","brand":"WPS","offers":[{"title":"Default Title","offer_id":51132260647137,"sku":"961-6430","price":649.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/files\/79d3-69cae27937b6b.jpg?v=1792715212"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1219\/2993\/collections\/images.jpg?v=1769395506","url":"https:\/\/dunegoonshop.com\/en-ca\/collections\/yoshimura.oembed?page=3","provider":"Dune Goons","version":"1.0","type":"link"}