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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 - 025264 - Powercore 2.1 Extreme Silencer - Anodized Titanium Fmf - 025264 - Powercore 2.1 Extreme Silencer - Anodized Titanium

    Fmf - 025264 - Powercore 2.1 Extreme Silencer - Anodized Titanium

    FMF

    $449.99
    Fmf - 18211969 - Powercore 2.1 Extreme Silencer - Anodized TitaniumFeaturesLarge diameter canister for more tunability and longer lasting packing lifeThe EXTREME silencer delivers low decibel...
    $449.99
    Qty in Cart: 0
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    $449.99
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  • Fmf - 041579 - Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+ Fmf - 041579 - Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+

    Fmf - 041579 - Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+

    FMF

    $209.99
    Fmf - 18211962 - Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+FeaturesAircraft grade aluminum canisterYou will swear the motor has been bored and stroked with the first...
    $209.99
    Qty in Cart: 0
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    $209.99
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  • Fmf - 025259 - Powercore 2 Shorty Silencer Fmf - 025259 - Powercore 2 Shorty Silencer

    Fmf - 025259 - Powercore 2 Shorty Silencer

    FMF

    $199.99
    Fmf - 18211948 - Powercore 2 Shorty SilencerFeaturesThis design results in a finely tuned bolt on performance silencer that maximizes bottom and mid rpm powerAn excellent choice for tight tracks and...
    $199.99
    Qty in Cart: 0
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    $199.99
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  • Fmf - 042380 - Factory 4.1 Exhaust - Aluminum/Stainless Steel Fmf - 042380 - Factory 4.1 Exhaust - Aluminum/Stainless Steel

    Fmf - 042380 - Factory 4.1 Exhaust - Aluminum/Stainless Steel

    FMF

    $409.99
    Fmf - 18201966 - Factory 4.1 Exhaust - Aluminum/Stainless SteelFeaturesAvailable with titanium and stainless steel headersFMF's Factory Forward Engineering centralizes mass and is less prone to crash...
    $409.99
    Qty in Cart: 0
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    $409.99
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  • Out of stock
    Fmf - 045653 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium Fmf - 045653 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium

    Fmf - 045653 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium

    FMF

    $1,174.99
    Fmf - 18201957 - 4.1 RCT Exhaust with MegaBomb - Anodized TitaniumFeaturesShorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering -...
    $1,174.99
    Qty in Cart: 0
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    $1,174.99
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  • Out of stock
    Fmf - 045662 - 4.1 RCT Exhaust with MegaBomb - Aluminum Fmf - 045662 - 4.1 RCT Exhaust with MegaBomb - Aluminum

    Fmf - 045662 - 4.1 RCT Exhaust with MegaBomb - Aluminum

    FMF

    $1,074.99
    Fmf - 18201959 - 4.1 RCT Exhaust with MegaBomb - AluminumFeaturesShorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering - moving the...
    $1,074.99
    Qty in Cart: 0
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    $1,074.99
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  • Out of stock
    Fmf - 045650 - Factory 4.1 RCT Exhaust - Aluminum Fmf - 045650 - Factory 4.1 RCT Exhaust - Aluminum

    Fmf - 045650 - Factory 4.1 RCT Exhaust - Aluminum

    FMF

    $1,074.99
    Fmf - 18201954 - Factory 4.1 RCT Exhaust - AluminumFeaturesInternal ducts in the chambers of the RCT system increase internal volume for improved exhaust flow, resulting in power gains throughout the...
    $1,074.99
    Qty in Cart: 0
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    $1,074.99
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  • Fmf - 041582 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor Fmf - 041582 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor

    Fmf - 041582 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor

    FMF

    $239.99
    Fmf - 18211965 - 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
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    $239.99
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  • Out of stock
    Fmf - 045667 - Q4 HEX Muffler Fmf - 045667 - Q4 HEX Muffler

    Fmf - 045667 - Q4 HEX Muffler

    FMF

    $449.99
    Fmf - 18212006 - 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
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    $449.99
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  • Fmf - 045594 - Factory 4.1 RCT Muffler - Aluminum Fmf - 045594 - Factory 4.1 RCT Muffler - Aluminum

    Fmf - 045594 - Factory 4.1 RCT Muffler - Aluminum

    FMF

    $549.99
    Fmf - 18211719 - 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...
    $549.99
    Qty in Cart: 0
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    $549.99
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  • Out of stock
    Fmf - 045596 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 045596 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 045596 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $599.99
    Fmf - 18211721 - 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...
    $599.99
    Qty in Cart: 0
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    $599.99
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  • Fmf - 020521 - End Cap - Stainless Steel - 1.375" Fmf - 020521 - End Cap - Stainless Steel - 1.375"

    Fmf - 020521 - End Cap - Stainless Steel - 1.375"

    FMF

    $59.99
    Fmf - 18601957 - End Cap - Stainless Steel - 1.375"FeaturesSpecsRiding StyleOff-RoadMaterialStainless SteelProduct NameEnd CapTypeExhaustUnitsEach
    $59.99
    Qty in Cart: 0
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    $59.99
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  • Fmf - 045661 - MegaBomb Header - Stainless Steel Fmf - 045661 - MegaBomb Header - Stainless Steel

    Fmf - 045661 - MegaBomb Header - Stainless Steel

    FMF

    $524.99
    Fmf - 18220512 - MegaBomb Header - Stainless SteelFeaturesSpecsMaterialStainless SteelRiding StyleOff-RoadUnitsEachModelMegaBombProduct NameHeaderFitment2020-2022KTM500 XCF-W2020-2022HusqvarnaFE501
    $524.99
    Qty in Cart: 0
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    $524.99
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  • Fmf - 044466 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 044466 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 044466 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $799.99
    Fmf - 18212013 - 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...
    $799.99
    Qty in Cart: 0
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    $799.99
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  • Fmf - 025279 - Powercore 2.1 Muffler - Titanium Fmf - 025279 - Powercore 2.1 Muffler - Titanium

    Fmf - 025279 - Powercore 2.1 Muffler - Titanium

    FMF

    $449.99
    Fmf - 18212009 - Powercore 2.1 Muffler - TitaniumFeaturesSmooth power curve throughout the RPM rangeLarger diameter titanium canister for more tunability and longer lasting packing lifeThe EXTREME...
    $449.99
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    $449.99
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  • Out of stock
    Fmf - 045644 - MegaBomb Header - Stainless Steel Fmf - 045644 - MegaBomb Header - Stainless Steel

    Fmf - 045644 - MegaBomb Header - Stainless Steel

    FMF

    $524.99
    Fmf - 18220509 - MegaBomb Header - Stainless SteelFeaturesImproved bottom to mid-range powerLess susceptible to damage than a longer headerEffectively reduces sound output by as much as 1.5 dBRuns...
    $524.99
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    $524.99
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  • Fmf - 045643 - MegaBomb Header - Stainless Steel Fmf - 045643 - MegaBomb Header - Stainless Steel

    Fmf - 045643 - MegaBomb Header - Stainless Steel

    FMF

    $524.99
    Fmf - 18220508 - MegaBomb Header - Stainless SteelFeaturesImproved bottom to mid-range powerLess susceptible to damage than a longer headerEffectively reduces sound output by as much as 1.5 dBRuns...
    $524.99
    Qty in Cart: 0
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    $524.99
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  • Fmf - 025179 - Turbinecore 2.1 Muffler Fmf - 025179 - Turbinecore 2.1 Muffler

    Fmf - 025179 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211715 - 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
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    $269.99
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  • Out of stock
    Fmf - 045664 - MegaBomb Header - Stainless Steel Fmf - 045664 - MegaBomb Header - Stainless Steel

    Fmf - 045664 - MegaBomb Header - Stainless Steel

    FMF

    $374.99
    Fmf - 18220513 - MegaBomb Header - Stainless SteelFeaturesSpecsRiding StyleOff-RoadMaterialStainless SteelModelMegaBombProduct NameHeaderUnitsEachFitment2020, 2023-2024Beta390 RR2020,...
    $374.99
    Qty in Cart: 0
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    $374.99
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  • Out of stock
    Fmf - 024061 - Turbinecore 2.1 Muffler Fmf - 024061 - Turbinecore 2.1 Muffler

    Fmf - 024061 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211705 - 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 statusSpecsMuffler...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • Out of stock
    Fmf - 045592 - MegaBomb Header Fmf - 045592 - MegaBomb Header

    Fmf - 045592 - MegaBomb Header

    FMF

    $599.99
    Fmf - 18220431 - 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...
    $599.99
    Qty in Cart: 0
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    $599.99
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  • Fmf - 024059 - Powercore 2.1 Muffler - Aluminum Fmf - 024059 - Powercore 2.1 Muffler - Aluminum

    Fmf - 024059 - Powercore 2.1 Muffler - Aluminum

    FMF

    $239.99
    Fmf - 18211703 - 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
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    $239.99
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  • Fmf - 024063 - Powercore 2.1 Muffler - Titanium Fmf - 024063 - Powercore 2.1 Muffler - Titanium

    Fmf - 024063 - Powercore 2.1 Muffler - Titanium

    FMF

    $449.99
    Fmf - 18211707 - Powercore 2.1 Muffler - TitaniumFeaturesSmooth power curve throughout the RPM rangeLarge diameter canister for more tenability and longer lasting packing lifeDelivers a crisp,...
    $449.99
    Qty in Cart: 0
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    $449.99
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  • Fmf - 045663 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium Fmf - 045663 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium

    Fmf - 045663 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium

    FMF

    $1,174.99
    Fmf - 18201960 - 4.1 RCT Exhaust with MegaBomb - Anodized TitaniumFeaturesShorter overall length that is less susceptible to crash damage and complementary to FMF's Factory Forward Engineering -...
    $1,174.99
    Qty in Cart: 0
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    $1,174.99
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  • Out of stock
    Fmf - 044468 - Factory 4.1 Exhaust - Anodized Titanium/Stainless Steel

    Fmf - 044468 - Factory 4.1 Exhaust - Anodized Titanium/Stainless Steel

    FMF

    $459.99
    Fmf - 18201969 - Factory 4.1 Exhaust - Anodized Titanium/Stainless SteelFeaturesSuperior power than stock systemsAvailable with titanium and stainless steel headersCombination Quiet /Spark Arrestor...
    $459.99
    Qty in Cart: 0
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    $459.99
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  • Fmf - 041593 - Factory 4.1 Muffler Fmf - 041593 - Factory 4.1 Muffler

    Fmf - 041593 - Factory 4.1 Muffler

    FMF

    $349.99
    Fmf - 18212019 - Factory 4.1 MufflerFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward...
    $349.99
    Qty in Cart: 0
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    $349.99
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  • Fmf - 025180 - Powercore 2 Silencer Fmf - 025180 - Powercore 2 Silencer

    Fmf - 025180 - Powercore 2 Silencer

    FMF

    $199.99
    Fmf - 18211758 - 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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  • Out of stock
    Fmf - 020522 - End Cap - Titanium - 1.010" Fmf - 020522 - End Cap - Titanium - 1.010"

    Fmf - 020522 - End Cap - Titanium - 1.010"

    FMF

    $74.99
    Fmf - 18601954 - End Cap - Titanium - 1.010"FeaturesSpecsMaterialTitaniumUnitsEachProduct NameEnd CapTypeExhaustRiding StyleOff-Road
    $74.99
    Qty in Cart: 0
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    $74.99
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  • Fmf - 024066 - Turbinecore 2 Silencer Fmf - 024066 - Turbinecore 2 Silencer

    Fmf - 024066 - Turbinecore 2 Silencer

    FMF

    $219.99
    Fmf - 18211757 - 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
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    $219.99
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  • Out of stock
    Fmf - 025186 - Powercore 2 Silencer Fmf - 025186 - Powercore 2 Silencer

    Fmf - 025186 - Powercore 2 Silencer

    FMF

    $199.99
    Fmf - 18211745 - 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 - 025189 - Turbinecore 2 Silencer Fmf - 025189 - Turbinecore 2 Silencer

    Fmf - 025189 - Turbinecore 2 Silencer

    FMF

    $219.99
    Fmf - 18211746 - 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
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    $219.99
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  • Fmf - 045612 - MegaBomb Header/Mid Pipe - Stainless Steel Fmf - 045612 - MegaBomb Header/Mid Pipe - Stainless Steel

    Fmf - 045612 - MegaBomb Header/Mid Pipe - Stainless Steel

    FMF

    $474.99
    Fmf - 18220448 - MegaBomb Header/Mid Pipe - Stainless SteelFeaturesReduces sound output as much as 1.5dBIncreases output from stock motor as much as 3hpMade from premium American...
    $474.99
    Qty in Cart: 0
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    $474.99
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  • Fmf - 025278 - Powercore 2.1 Muffler - Aluminum Fmf - 025278 - Powercore 2.1 Muffler - Aluminum

    Fmf - 025278 - Powercore 2.1 Muffler - Aluminum

    FMF

    $239.99
    Fmf - 18212008 - 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
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    Price:
    $239.99
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  • Fmf - 045590 - Q4 HEX Muffler Fmf - 045590 - Q4 HEX Muffler

    Fmf - 045590 - Q4 HEX Muffler

    FMF

    $449.99
    Fmf - 18211717 - 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
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    $449.99
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  • Fmf - 045648 - Factory 4.1 RCT Muffler - Anodized Titanium Fmf - 045648 - Factory 4.1 RCT Muffler - Anodized Titanium

    Fmf - 045648 - Factory 4.1 RCT Muffler - Anodized Titanium

    FMF

    $649.99
    Fmf - 18212001 - 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...
    $649.99
    Qty in Cart: 0
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    $649.99
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  • Fmf - 042385 - PowerBomb Header Fmf - 042385 - PowerBomb Header

    Fmf - 042385 - PowerBomb Header

    FMF

    $249.99
    Fmf - 18220520 - 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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    $249.99
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  • Fmf - 024064 - Turbinecore 2.1 Muffler Fmf - 024064 - Turbinecore 2.1 Muffler

    Fmf - 024064 - Turbinecore 2.1 Muffler

    FMF

    $269.99
    Fmf - 18211708 - 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 statusSpecsPipe...
    $269.99
    Qty in Cart: 0
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    $269.99
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  • Fmf - 045589 - PowerCore 4 HEX Muffler Fmf - 045589 - PowerCore 4 HEX Muffler

    Fmf - 045589 - PowerCore 4 HEX Muffler

    FMF

    $399.99
    Fmf - 18211716 - 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 - 041594 - Factory 4.1 Muffler Fmf - 041594 - Factory 4.1 Muffler

    Fmf - 041594 - Factory 4.1 Muffler

    FMF

    $299.99
    Fmf - 18212020 - Factory 4.1 MufflerFeaturesThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core...
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Fmf - 025177 - Powercore 2.1 Muffler - Aluminum Fmf - 025177 - Powercore 2.1 Muffler - Aluminum

    Fmf - 025177 - Powercore 2.1 Muffler - Aluminum

    FMF

    $239.99
    Fmf - 18211713 - 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
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    Price:
    $239.99
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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.