Q4 Spark Arrestor Slip-On Muffler Less mass to enhance power-to-weight ratio The Q series features advanced engineering to precisely locate baffles and chambers to absorb sound Quiet power with...

GOLD SERIES FATTY PIPE Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and optimum performance Constructed...

GOLD SERIES FATTY PIPE Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and optimum performance Constructed...

Turbinecore 2 Spark Arrestor Silencer Exclusive "Turbine Dampening System".  U.S. Forest legal The straight through design of the spark arrestor canister and the performance flow...

Taking the proven success of the Powercore 2, FMF created the Powercore 2 Shorty, with a shorter inner core length and aluminum canister. This design results in a finely tuned bolt on performance...

GOLD SERIES FATTY PIPE Computer designed and dyno tested to make power gains where each machine needs them the most Tru-Flo stamping process ensures a perfect fit and optimum performance Constructed...

Utilize FMF's patented module precisely located at the initial stage of the header Key point positioning of the "Bomb" increases performance Horsepower is increased as much as 10% Act...

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