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
$449.99Fmf - 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 -
Fmf - 041579 - Mini PowerCore 4 Slip-On Muffler - without Spark Arrestor - CRF110F '19+
FMF
$209.99Fmf - 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 -
Fmf - 025259 - Powercore 2 Shorty Silencer
FMF
$199.99Fmf - 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 -
Fmf - 042380 - Factory 4.1 Exhaust - Aluminum/Stainless Steel
FMF
$409.99Fmf - 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 -
Out of stock
Fmf - 045653 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium
FMF
$1,174.99Fmf - 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 -
Out of stock
Fmf - 045662 - 4.1 RCT Exhaust with MegaBomb - Aluminum
FMF
$1,074.99Fmf - 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 -
Out of stock
Fmf - 045650 - Factory 4.1 RCT Exhaust - Aluminum
FMF
$1,074.99Fmf - 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 -
Fmf - 041582 - Mini PowerCore 4 Slip-On Muffler - with Spark Arrestor
FMF
$239.99Fmf - 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 -
Out of stock
Fmf - 045667 - Q4 HEX Muffler
FMF
$449.99Fmf - 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 -
Fmf - 045594 - Factory 4.1 RCT Muffler - Aluminum
FMF
$549.99Fmf - 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 -
Out of stock
Fmf - 045596 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$599.99Fmf - 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 -
Fmf - 020521 - End Cap - Stainless Steel - 1.375"
FMF
$59.99Fmf - 18601957 - End Cap - Stainless Steel - 1.375"FeaturesSpecsRiding StyleOff-RoadMaterialStainless SteelProduct NameEnd CapTypeExhaustUnitsEach$59.99 -
Fmf - 045661 - MegaBomb Header - Stainless Steel
FMF
$524.99Fmf - 18220512 - MegaBomb Header - Stainless SteelFeaturesSpecsMaterialStainless SteelRiding StyleOff-RoadUnitsEachModelMegaBombProduct NameHeaderFitment2020-2022KTM500 XCF-W2020-2022HusqvarnaFE501$524.99 -
Fmf - 044466 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$799.99Fmf - 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 -
Fmf - 025279 - Powercore 2.1 Muffler - Titanium
FMF
$449.99Fmf - 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 -
Out of stock
Fmf - 045644 - MegaBomb Header - Stainless Steel
FMF
$524.99Fmf - 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 -
Fmf - 045643 - MegaBomb Header - Stainless Steel
FMF
$524.99Fmf - 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 -
Fmf - 025179 - Turbinecore 2.1 Muffler
FMF
$269.99Fmf - 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 -
Out of stock
Fmf - 045664 - MegaBomb Header - Stainless Steel
FMF
$374.99Fmf - 18220513 - MegaBomb Header - Stainless SteelFeaturesSpecsRiding StyleOff-RoadMaterialStainless SteelModelMegaBombProduct NameHeaderUnitsEachFitment2020, 2023-2024Beta390 RR2020,...$374.99 -
Out of stock
Fmf - 024061 - Turbinecore 2.1 Muffler
FMF
$269.99Fmf - 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 -
Out of stock
Fmf - 045592 - MegaBomb Header
FMF
$599.99Fmf - 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 -
Fmf - 024059 - Powercore 2.1 Muffler - Aluminum
FMF
$239.99Fmf - 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 -
Fmf - 024063 - Powercore 2.1 Muffler - Titanium
FMF
$449.99Fmf - 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 -
Fmf - 045663 - 4.1 RCT Exhaust with MegaBomb - Anodized Titanium
FMF
$1,174.99Fmf - 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 -
Out of stock
Fmf - 044468 - Factory 4.1 Exhaust - Anodized Titanium/Stainless Steel
FMF
$459.99Fmf - 18201969 - Factory 4.1 Exhaust - Anodized Titanium/Stainless SteelFeaturesSuperior power than stock systemsAvailable with titanium and stainless steel headersCombination Quiet /Spark Arrestor...$459.99 -
Fmf - 041593 - Factory 4.1 Muffler
FMF
$349.99Fmf - 18212019 - Factory 4.1 MufflerFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward...$349.99 -
Fmf - 025180 - Powercore 2 Silencer
FMF
$199.99Fmf - 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 -
Out of stock
Fmf - 020522 - End Cap - Titanium - 1.010"
FMF
$74.99Fmf - 18601954 - End Cap - Titanium - 1.010"FeaturesSpecsMaterialTitaniumUnitsEachProduct NameEnd CapTypeExhaustRiding StyleOff-Road$74.99 -
Fmf - 024066 - Turbinecore 2 Silencer
FMF
$219.99Fmf - 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 -
Out of stock
Fmf - 025186 - Powercore 2 Silencer
FMF
$199.99Fmf - 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 -
Fmf - 025189 - Turbinecore 2 Silencer
FMF
$219.99Fmf - 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 -
Fmf - 045612 - MegaBomb Header/Mid Pipe - Stainless Steel
FMF
$474.99Fmf - 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 -
Fmf - 025278 - Powercore 2.1 Muffler - Aluminum
FMF
$239.99Fmf - 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 -
Fmf - 045590 - Q4 HEX Muffler
FMF
$449.99Fmf - 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 -
Fmf - 045648 - Factory 4.1 RCT Muffler - Anodized Titanium
FMF
$649.99Fmf - 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 -
Fmf - 042385 - PowerBomb Header
FMF
$249.99Fmf - 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 -
Fmf - 024064 - Turbinecore 2.1 Muffler
FMF
$269.99Fmf - 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 -
Fmf - 045589 - PowerCore 4 HEX Muffler
FMF
$399.99Fmf - 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 -
Fmf - 041594 - Factory 4.1 Muffler
FMF
$299.99Fmf - 18212020 - Factory 4.1 MufflerFeaturesThe lightest mufflers availableSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core...$299.99 -
Fmf - 025177 - Powercore 2.1 Muffler - Aluminum
FMF
$239.99Fmf - 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
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.