Dune Goons FMF PowerBomb & PowerCore 4 Exhaust Kit - Yamaha YFZ450 (2004-2013)
- Ships next business day
- 30-day hassle-free returns
- Call us: 541-668-7503
- Secure checkout — Pay in 4 available
The FMF combo for the carbureted YFZ450. The PowerBomb header adds power and acts as a pre-muffler, and the PowerCore 4 slip-on finishes it off with more power across the whole curve. Save 10% over buying them separately.
✓ Fits:
- 2004-2009, 2012-2013 Yamaha YFZ450 (incl. SE and Bill Ballance Edition)
✓ Features:
- FMF PowerBomb header with patented expansion chamber, more power and less noise
- PowerCore 4 slip-on with aluminum canister and stainless Hi-Flo end caps
- Removable spark arrestor
- Header and muffler designed to work together
- 10% kit savings vs. buying each part on its own
✓ What's Included:
- (1) FMF PowerBomb Header (FMF044033)
- (1) FMF PowerCore 4 Slip-On Muffler (1831-0365)
Note: A carb rejet is recommended with any exhaust upgrade.
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.
