FMF Racing

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology? both internally and externallyIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and...

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...

Complete systems and slip-on mufflersSystems feature titanium PowerBomb header and midpipe, except where notedSlip-on mufflers available in natural titanium or stainless steelTitanium slip-on...

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...

Hi-Flo end cap boosts all-around performanceComputer designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...

Utilize FMF's patented module precisely located at the initial stage of the header for specific applicationsPosition "Bomb" increases performanceHorsepower is increased as much as 10%Act as...

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power outputInternal ducts in the chambers of the RCT system increase internal volume...

The Q series features advanced engineering to precisely locate baffles and chambers to absorb soundLess mass to enhance power-to-weight ratioQuiet power with minimal sacrifice for performanceQ4...

Utilize FMF's patented module precisely located at the initial stage of the header for specific applicationsPosition "Bomb" increases performanceHorsepower is increased as much as 10%Act as...