FMF Powercore 4 Hex Muffler - Kawasaki KX250F 2017-2026
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
✓ Fits
- Pick the option that matches your KX250F year, shown in each option name
- Kawasaki KX250F 2017-2026
- Kawasaki KX250X 2021-2026
✓ Features
- Overall increase in power and torque
- Durable stainless steel and aluminum construction
- Space Age internal packing material for maximum longevity
- Internal shape of core uses Hi-Flo technology
- Enhanced sonic evacuation provides for higher flow and increased power
- Includes removable spark arrestor
- Can be used with FMF or Stock OEM Header
✓ What's Included
- (1) FMF Powercore 4 Hex Muffler in the option you select
✓ Specs
- Brand: FMF
- Manufacturer part #: 042345 (KX250F 2017-2020): 042345, 042392 (KX250F 2021-2024): 042392, 042409 (KX250F 2025-2026): 042409
- Condition: New
- Closed course competition use only. Not legal for street use or on pollution controlled vehicles in California
Ships fast from DuneGoonShop!
📦 Shipping Information
In-stock items ship next business day. ModQuad parts dispatch Monday through Thursday.
Made-to-order and custom powder coat items show their lead time at the top of this page, right next to the truck icon. These are built fresh for you, so timing varies by brand and current backlog.
Need something by a specific date? Call us at 541-668-7503 before ordering and we will check stock and ETA on that exact part. We can often point you to an in-stock alternative from another distributor.
Questions? Contact us, we respond within 24 hours.
