FMF

Built to provide excellent power for today’s tracks geared toward 4-stroke machinesSmooth power curve throughout the RPM rangeLarge diameter canist...

Built to provide excellent power for today’s tracks geared toward 4-stroke machinesSmooth power curve throughout the RPM rangeLarge diameter canist...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externallyIn addition, FMF achieves a shorter overall leng...

The measure which others aim forWith their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, these silencers are...

The ultimate power boosterImproved bottom to mid-range powerLess susceptible to damage than a longer headerEffectively reduces sound output by as m...

Smooth power curve throughout the RPM rangeLarge diameter canister for more tunability and longer lasting packing lifeThe EXTREME silencer delivers...

The ultimate power booster featuring exclusive Ti-Metal constructionImproved bottom to mid-range powerProduce the low end of a longer header and th...

Shorter overall length that is less susceptible to crash damageMassive Power gains throughout the RPM range.Huge weight savingsRapid Tuning System ...

Includes MegaBomb headerThe Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externallyShorter overall length tha...

Includes MegaBomb headerThe Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externallyShorter overall length tha...

Includes MegaBomb headerThe Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externallyShorter overall length tha...

Includes MegaBomb headerThe Factory 4.1 RCT incorporates FMF Resonance Chamber Technology™ both internally and externallyShorter overall length tha...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externallyIn addition, FMF achieves a shorter overall leng...

The ultimate power boosterImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a shorter headerEffectively r...

RCT (Resonance Chamber Technology) features a patented core shape that lowers decibels while maintaining maximum power outputInternal ducts in the ...

The ultimate power booster featuring exclusive Ti-Metal constructionImproved bottom to mid-range powerProduce the low end of a longer header and th...

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externallyIn addition, FMF achieves a shorter overall leng...

Replacement universal heat shield for FMF head pipes

The Factory 4.1 RCT incorporates FMF's Resonance Chamber Technology™ both internally and externallyIn addition, FMF achieves a shorter overall leng...