The ultimate power booster Improved bottom to mid-range power Produce the low end of a longer header and the top end of a short header Less susceptible to damage than a long header Effectively...

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrain. When looking to add 4-stroke tractor like torque to your 2-stroke and you need a...

Fits late 2021 & 2022 mufflers only

The kit includes Stainless Steel End Cap with .875" outlet and 3/16 Stainless Steel Rivets. Make sure to buy correct opening.

Muffler decals peeling off or just need a freshen up? Rreplacement decals for your FMF Powercore 4 silencer

FMF is the leader in high performance quiet technology and our Q4 HEX is the next evolution in off road exhaust. The Q4 employs intricate chambers, baffles and proprietary multistage packing material...

The science behind the Megabomb header may be our greatest engineering accomplishment to date. You can pay an engine builder thousands or bolt on a Megabomb for as much as a 3hp boost! Plus, the...

Race-tested, smooth power curve throughout the RPM range Larger diameter canister for more tunability and longer lasting packing life Lighter than stock Optimally designed to complement performance...