fmf

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

Computer designed and dyno tested to make power gains where each machine needs them the mostTru-Flo stamping process ensures a perfect fit and opti...

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

The FMF Gnarly pipe focuses on increasing the lower RPM horsepower and torque to get you out of the toughest terrainWhen looking to add 4-stroke tr...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInter...

The ultimate power boosterImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptibl...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInter...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInter...

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

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

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

The ultimate power boosterImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptibl...

The Q4 employs intricate chambers, baffles and proprietary multistage packing materialWith the Q4 you don’t need to hear the power, just feel the p...

Overall increase in power and torqueDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInter...

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

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...

Computer designed and dyno tested to make power gains where each machine needs them the mostTru-Flo stamping process ensures a perfect fit and opti...

Computer designed and dyno tested to make power gains where each machine needs them the mostTru-Flo stamping process ensures a perfect fit and opti...

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams and it shares many of the same characteristics with its’ cr...

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...

Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and aluminum canisterThis design...