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FMF

FMF

FMF Racing is a globally respected performance brand specializing in high-output motorcycle exhaust systems and race-developed components. With deep roots in motocross, off-road and competitive riding, FMF exhausts are engineered to increase horsepower, sharpen throttle response and deliver a signature aggressive sound. Riders trust FMF for race-proven durability, lightweight construction and consistent real-world performance gains. The FMF name is synonymous with competition, innovation and uncompromising exhaust technology.


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  • Fmf - 024067 - Turbinecore 2.1 Muffler Fmf - 024067 - Turbinecore 2.1 Muffler

    Fmf - 024067 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211791 - Turbinecore 2.1 MufflerFeaturesThe 2.1 utilizes a shape inspired by the 4.1 systemUtilizes exclusive FMF "Turbine Dampening System"U.S. Forest Service legal...
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
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  • Fmf - 025199 - Powercore 2 Silencer Fmf - 025199 - Powercore 2 Silencer

    Fmf - 025199 - Powercore 2 Silencer

    FMF

    $199.99
    Fmf - 18211764 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front...
    $199.99
    Qty in Cart: 0
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    $199.99
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  • Fmf - 025221 - Fatty Pipe Fmf - 025221 - Fatty Pipe

    Fmf - 025221 - Fatty Pipe

    FMF

    $299.99
    Fmf - 18201792 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated...
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Fmf - 025219 - Factory Fatty Pipe Fmf - 025219 - Factory Fatty Pipe

    Fmf - 025219 - Factory Fatty Pipe

    FMF

    $299.99
    Fmf - 18201791 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Fmf - 025224 - Factory Fatty Big Bore Exhaust Fmf - 025224 - Factory Fatty Big Bore Exhaust

    Fmf - 025224 - Factory Fatty Big Bore Exhaust

    FMF

    $299.99
    Fmf - 18201794 - Factory Fatty Big Bore ExhaustFeatures19-gauge steel used on the header portion for optimum strength and durability; 20-gauge steel on body and rear section for increased weight...
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Fmf - 045620 - MegaBomb Header Fmf - 045620 - MegaBomb Header

    Fmf - 045620 - MegaBomb Header

    FMF

    $374.99
    Fmf - 18220480 - MegaBomb HeaderFeaturesImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptible to damage than a long headerRuns...
    $374.99
    Qty in Cart: 0
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    $374.99
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  • Fmf - 045628 - Factory 4.1 RCT Muffler - Aluminum Fmf - 045628 - Factory 4.1 RCT Muffler - Aluminum

    Fmf - 045628 - Factory 4.1 RCT Muffler - Aluminum

    FMF

    $674.99
    Fmf - 18211920 - Factory 4.1 RCT Muffler - AluminumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory Forward...
    $674.99
    Qty in Cart: 0
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    $674.99
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  • Fmf - 044445 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 044445 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 044445 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $849.99
    Fmf - 18211840 - Factory 4.1 RCT Muffler - Anodized TitaniumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory...
    $849.99
    Qty in Cart: 0
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    $849.99
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  • Fmf - 044441 - PowerCore 4 HEX Muffler Fmf - 044441 - PowerCore 4 HEX Muffler

    Fmf - 044441 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211836 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
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    $399.99
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  • Fmf - 045627 - Q4 HEX Muffler Fmf - 045627 - Q4 HEX Muffler

    Fmf - 045627 - Q4 HEX Muffler

    FMF

    $569.99
    Fmf - 18211919 - Q4 HEX MufflerFeaturesWith the Q4 you don’t need to hear the power, just feel the power!Less sound equals more groundPower gains throughout the entire rpm rangeSpark arrestor...
    $569.99
    Qty in Cart: 0
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    $569.99
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  • Fmf - 025249 - Turbinecore 2.1 Muffler Fmf - 025249 - Turbinecore 2.1 Muffler

    Fmf - 025249 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211911 - Turbinecore 2.1 MufflerFeaturesThe 2.1 utilizes a shape inspired by the 4.1 systemUtilizes exclusive FMF "Turbine Dampening System"U.S. Forest Service legal...
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
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  • Fmf - 042367 - PowerCore 4 HEX Muffler Fmf - 042367 - PowerCore 4 HEX Muffler

    Fmf - 042367 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211886 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
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    $399.99
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  • Fmf - 025255 - Powercore 2.1 Shorty Muffler Fmf - 025255 - Powercore 2.1 Shorty Muffler

    Fmf - 025255 - Powercore 2.1 Shorty Muffler

    FMF

    $449.99
    Fmf - 18211916 - Powercore 2.1 Shorty MufflerFeaturesWith their lightweight titanium or extruded aluminum oval canisters mated to a perforated core, these silencers are above the...
    $449.99
    Qty in Cart: 0
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    $449.99
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  • Fmf - 044455 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 044455 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 044455 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $849.99
    Fmf - 18211885 - Factory 4.1 RCT Muffler - Anodized TitaniumFeaturesIn addition, FMF achieves a shorter overall length that is less susceptible to crash damage and complementary to their Factory...
    $849.99
    Qty in Cart: 0
    Quantity:
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    $849.99
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  • Out of stock
    Fmf - 044452 - Q4 HEX Muffler Fmf - 044452 - Q4 HEX Muffler

    Fmf - 044452 - Q4 HEX Muffler

    FMF

    $449.99
    Fmf - 18211882 - Q4 HEX MufflerFeaturesWith the Q4 you don’t need to hear the power, just feel the power!Less sound equals more groundPower gains throughout the entire rpm rangeSpark arrestor...
    $449.99
    Qty in Cart: 0
    Quantity:
    Price:
    $449.99
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  • Out of stock
    Fmf - 045625 - MegaBomb Header Fmf - 045625 - MegaBomb Header

    Fmf - 045625 - MegaBomb Header

    FMF

    $474.99
    Fmf - 18220485 - MegaBomb HeaderFeaturesImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptible to damage than a long headerRuns...
    $474.99
    Qty in Cart: 0
    Quantity:
    Price:
    $474.99
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  • Out of stock
    Fmf - 045622 - MegaBomb Header Fmf - 045622 - MegaBomb Header

    Fmf - 045622 - MegaBomb Header

    FMF

    $374.99
    Fmf - 18220482 - MegaBomb HeaderFeaturesImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a short headerLess susceptible to damage than a long headerRuns...
    $374.99
    Qty in Cart: 0
    Quantity:
    Price:
    $374.99
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  • Fmf - 025152 - Gnarly Pipe Fmf - 025152 - Gnarly Pipe

    Fmf - 025152 - Gnarly Pipe

    FMF

    $299.99
    Fmf - 18201376 - Gnarly PipeFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and rugged,...
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Fmf - 025269 - Gnarly Exhaust - Beta Fmf - 025269 - Gnarly Exhaust - Beta

    Fmf - 025269 - Gnarly Exhaust - Beta

    FMF

    $299.99
    Fmf - 18201946 - Gnarly Exhaust - BetaFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and...
    $299.99
    Qty in Cart: 0
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    Price:
    $299.99
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  • Fmf - 044404 - PowerCore 4 HEX Muffler

    Fmf - 044404 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211534 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
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    $399.99
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  • Fmf - 025270 - Gnarly Exhaust - Beta Fmf - 025270 - Gnarly Exhaust - Beta

    Fmf - 025270 - Gnarly Exhaust - Beta

    FMF

    $299.99
    Fmf - 18201947 - Gnarly Exhaust - BetaFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong and...
    $299.99
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
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  • Fmf - 025268 - Factory Fatty Pipe Fmf - 025268 - Factory Fatty Pipe

    Fmf - 025268 - Factory Fatty Pipe

    FMF

    $299.99
    Fmf - 18201945 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...
    $299.99
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
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  • Fmf - 025273 - Turbinecore 2.1 Muffler Fmf - 025273 - Turbinecore 2.1 Muffler

    Fmf - 025273 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211983 - Turbinecore 2.1 MufflerFeaturesThe 2.1 utilizes a shape inspired by the 4.1 systemUtilizes exclusive FMF "Turbine Dampening System"U.S. Forest Service legal...
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
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  • Fmf - 025267 - Turbinecore 2.1 Muffler Fmf - 025267 - Turbinecore 2.1 Muffler

    Fmf - 025267 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211980 - Turbinecore 2.1 MufflerFeaturesThe 2.1 utilizes a shape inspired by the 4.1 systemUtilizes exclusive FMF "Turbine Dampening System"U.S. Forest Service legal statusSpecsEnd Cap...
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
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  • Fmf - 042308 - PowerCore 4 HEX Muffler Fmf - 042308 - PowerCore 4 HEX Muffler

    Fmf - 042308 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211520 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
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  • Fmf - 042309 - PowerCore 4 HEX Muffler Fmf - 042309 - PowerCore 4 HEX Muffler

    Fmf - 042309 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211521 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
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  • Fmf - 025258 - Powercore 2 Silencer Fmf - 025258 - Powercore 2 Silencer

    Fmf - 025258 - Powercore 2 Silencer

    FMF

    $199.99
    Fmf - 18211947 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front...
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
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  • Fmf - 041587 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 041587 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 041587 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $749.99
    Fmf - 18211978 - Factory 4.1 RCT Muffler - Anodized TitaniumFeaturesShorter overall length that is less susceptible to crash damageMassive Power gains throughout the RPM range.Huge weight...
    $749.99
    Qty in Cart: 0
    Quantity:
    Price:
    $749.99
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  • Fmf - 014803 - Exhaust O-Rings Fmf - 014803 - Exhaust O-Rings

    Fmf - 014803 - Exhaust O-Rings

    FMF

    $12.99
    Fmf - 18600607 - Exhaust O-RingsFeaturesSpecsMaterialRubberProduct NameO-RingTypeExhaustUnitsPairRiding StyleOff-RoadFitment2005-2020KTM125 SX-F2005-2020KTM300 XC-W Six Days2008-2015KTM300...
    $12.99
    Qty in Cart: 0
    Quantity:
    Price:
    $12.99
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  • Fmf - 044459 - Megabomb Header with Midpipe - Titanium Fmf - 044459 - Megabomb Header with Midpipe - Titanium

    Fmf - 044459 - Megabomb Header with Midpipe - Titanium

    FMF

    $524.99
    Fmf - 18220505 - Megabomb Header with Midpipe - TitaniumFeaturesImproved bottom to mid-range powerProduce the low end of a longer header and the top end of a shorter headerEffectively reduces sound...
    $524.99
    Qty in Cart: 0
    Quantity:
    Price:
    $524.99
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  • Fmf - 041580 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor Fmf - 041580 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor

    Fmf - 041580 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor

    FMF

    $239.99
    Fmf - 18211963 - Mini PowerCore 4 Slip-On Muffler - with Spark ArrestorFeaturesAircraft grade aluminum canisterYou will swear the motor has been bored and stroked with the first twist of the...
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
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  • Fmf - 042378 - Factory 4.1 RCT Exhaust - Titanium Fmf - 042378 - Factory 4.1 RCT Exhaust - Titanium

    Fmf - 042378 - Factory 4.1 RCT Exhaust - Titanium

    FMF

    $1,199.99
    Fmf - 18201901 - Factory 4.1 RCT Exhaust - TitaniumFeaturesInternal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the...
    $1,199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $1,199.99
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  • Fmf - 025265 - Gnarly Exhaust - Sherco Fmf - 025265 - Gnarly Exhaust - Sherco

    Fmf - 025265 - Gnarly Exhaust - Sherco

    FMF

    $299.99
    Fmf - 18201944 - Gnarly Exhaust - ShercoFeaturesWhen looking to add 4-stroke tractor like torque to your 2-stroke and you need a pipe to withstand the harsh elements, this is the pipe for youStrong...
    $299.99
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
    Subtotal:
  • Fmf - 025272 - Powercore 2.1 Muffler - Aluminum Fmf - 025272 - Powercore 2.1 Muffler - Aluminum

    Fmf - 025272 - Powercore 2.1 Muffler - Aluminum

    FMF

    $239.99
    Fmf - 18211982 - Powercore 2.1 Muffler - AluminumFeaturesSmooth power curve throughout the RPM rangeLarge diameter canister for more tenability and longer lasting packing lifeDelivers a crisp,...
    $239.99
    Qty in Cart: 0
    Quantity:
    Price:
    $239.99
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  • Fmf - 025271 - Factory Fatty Pipe Fmf - 025271 - Factory Fatty Pipe

    Fmf - 025271 - Factory Fatty Pipe

    FMF

    $299.99
    Fmf - 18211981 - Factory Fatty PipeFeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased over-revNo matter what...
    $299.99
    Qty in Cart: 0
    Quantity:
    Price:
    $299.99
    Subtotal:
  • Fmf - 025262 - Turbinecore 2 Silencer Fmf - 025262 - Turbinecore 2 Silencer

    Fmf - 025262 - Turbinecore 2 Silencer

    FMF

    $219.99
    Fmf - 18211951 - Turbinecore 2 SilencerFeaturesStraight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted...
    $219.99
    Qty in Cart: 0
    Quantity:
    Price:
    $219.99
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  • Out of stock
    Fmf - 041583 - PowerBomb Header Fmf - 041583 - PowerBomb Header

    Fmf - 041583 - PowerBomb Header

    FMF

    $249.99
    Fmf - 18220499 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...
    $249.99
    Qty in Cart: 0
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    Price:
    $249.99
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  • Fmf - 042310 - PowerCore 4 HEX Muffler Fmf - 042310 - PowerCore 4 HEX Muffler

    Fmf - 042310 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211522 - PowerCore 4 HEX MufflerFeaturesDurable stainless steel and aluminum constructionSpace Age internal packing material for maximum longevityInternal shape of core uses Hi-Flo...
    $399.99
    Qty in Cart: 0
    Quantity:
    Price:
    $399.99
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  • Fmf - 025261 - Powercore 2 Silencer

    Fmf - 025261 - Powercore 2 Silencer

    FMF

    $199.99
    Fmf - 18211950 - Powercore 2 SilencerFeaturesThe elliptically shaped bodies with perforated core perform well in any conditionEquipped with a Performance Flow end cap and nickel-plated front...
    $199.99
    Qty in Cart: 0
    Quantity:
    Price:
    $199.99
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  • Fmf - 041584 - Powercore 4 Muffler

    Fmf - 041584 - Powercore 4 Muffler

    FMF

    $359.99
    Fmf - 18211966 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor...
    $359.99
    Qty in Cart: 0
    Quantity:
    Price:
    $359.99
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Adding your products to cart

FMF – High-Performance Exhaust Systems and Racing Components

FMF Racing has built its legacy through decades of direct involvement in professional motocross, supercross, desert racing and off-road competition. Every FMF exhaust system is developed using extensive dyno testing, track feedback and real-world race data to extract maximum performance from modern and classic motorcycle engines. This race-first approach allows FMF to deliver exhaust solutions that improve airflow efficiency, engine response and overall power delivery without sacrificing reliability.

FMF motorcycle exhaust pipes, headers and mufflers are engineered to increase torque and horsepower across usable RPM ranges while reducing overall system weight. Tuned silencer designs, precision-welded headers and lightweight materials help riders achieve stronger acceleration, improved throttle control and a more responsive riding experience. FMF also supports long-term performance with exhaust repack kits, replacement components and accessories designed to maintain optimal sound control and efficiency.

Trusted by factory race teams, professional riders and serious enthusiasts worldwide, FMF continues to set the benchmark in motorcycle exhaust performance. Whether upgrading a trail bike, motocross machine or off-road racer, FMF exhaust systems deliver proven power gains, aggressive sound and the durability required for hard riding. For riders who demand performance backed by racing heritage, FMF remains a top-tier exhaust solution.