For Closed Course Competition Use Only. Not Intended for Street Use.

The Factory Fatty is reminiscent of the “works” or cone pipe once used by Factory Teams. It shares many of the same characteristics with its’ craftsmanship and material quality. Thoroughly tested and developed by the best racers in our sport, this pipe delivers true “works” style technology to the public. Looking to turn your bike into a race-ready powerhouse? The Factory Fatty is the first step you should take for bolt-on performance.

 -Works performance meets superior style
-Increased torque and improved throttle control
-Used by record breaking madman Robbie Maddison and the FMF/KTM Factory off-road team.
-Supplied O-rings ensure a flawless fit
-Quality construction for maximum durability
-Unplated finish for the “Factory” look
-The perfect modification to any 2-stroke race bike

For Closed Course Competition Use Only. Not Intended for Street Use.

The creation of the SST pipe was no accident. R&D invested countless hours to find a way to extend mid-range pull and over-rev. the powerband becomesstronger throughout the midrangewith phenomenal peak horsepower. The benefits brought together by the SST makes this pipe one of the most impressive bolt-on 2-stoke modifications that money can buy.

 -Makes for crisp response at the crack of the throttle
-Revamp your power band with impressive top-end extension
-Quality constructed for maximum durability
-Chrome-plated finish over carbon steel for maximum durability and aesthetics

-Supplied O-rings ensure a flawless fit

-Some applications require the use of an SST silencer

-May require use of high octane fuel

For Closed Course Competition Use Only. Not Intended for Street Use.

• With well over 35 years of racing experience behind it, the Fatty Gold Series pipe delivers race proven performance. The Fatty broadens and smoothes out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-rev. No matter what type of riding you do, the Fatty has the benefits you’re looking for.

  • More tractable power, improved throttle control
  • Provides power gains throughout entire power band
  • Carbon steel with a nickel plated finish for maximum durability
  • FMF Racing’s Tru-Flo stamping process ensures a perfect fit and optimum performance.
  • Can be used with FMF or stock silencer (unless noted)
  • Our most popular 2-stroke pipe 
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For Closed Course Competition Use Only. Not Intended for Street Use.

Our highly acclaimed "Q" series silencers shook the motorcycling world on its debut in 2002. With its longer oval canister, the trademarked Q uses internal technology that retains optimum flow characteristics while enhancing sound absorbtion qualities. The U.S. Forest legal spark arrestor will meet the mandated 96dB sound level set by the US Forest Service making it the quietest 2-stroke performance spark arrestor made! Serious sound deadening qualities and excellent power.

Select your application below for more info

For Closed Course Competition Use Only. Not Intended for Street Use.

The Titanium 2 is our premiere racing silencer. Designed from our commitment to factory level racing and used by both Yamaha of Troy and Factory KTM, the Titanium 2 is built with a titanium performance flow end cap and titanium stinger to maximize overall weight savings. Combined with an anodized Shorty canister, the Titanium 2 delivers the power characteristics demanded by top riders. Completely rebuildable, the Titanium 2 silencer is the lightest silencer FMF has ever made.

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For Closed Course Competition Use Only. Not Intended for Street Use.

Our best selling Turbinecore 2 uses the exclusive "Turbine Dampening System". This top-notch product has well earned its U.S. Forest legal status. The straight through design of the spark arrestor canister and the performance flow stainless steel end cap ensures strength, durability and most importantly, track and trail proven unrestricted power. The Turbinecore 2 is the #1 spark arrestor in the world.

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For Closed Course Competition Use Only. Not Intended for Street Use.

The Powercore 2 is the measure which others aim for. With its lightweight extruded aluminum oval canister mated to a perforated core, this silencer is above the competition. The Powercore 2 silencer provides a strong performance edge for any 2-stroke machine and the performance flow end cap and front stinger are stainless steel for unbeatable durability and an unmatched look.

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For Closed Course Competition Use Only. Not Intended for Street Use.

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 silencer that maximizes bottom and mid rpm power. An excellent choice for tight tracks and supercross track applications.

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