FMF Racing

Race-inspired, price-point muffler made for maximum power output. Aircraft-quality extruded aluminum canister with stainless steel components.This Part...

The Factory 4.1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally. In addition, we achieve a shorter overall length that is less susceptible to crash...

The redesigned PowerBomb is a 4-stroke header that incoporates FMF's patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved...

Factory forward engineering helps maintain proper center of gravity and neutral handling. Larger volume canister yet lightweight overall, repacking intervals lengthened. USFS-approved turbine spark...

Shorter inner core length and aluminum canister. Finely tuned bolt-on silencer that maximizes bottom-end and mid-RPM. An excellent choice for tight tracks and Supercross tracks.This Part...

Hand-pounded seams for superior flow, lighter gauge metal for the Factory sound.This Part Fits:YearMakeModelSubmodel2019-2021YamahaYZ85Base