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Dirt Bike Parts

10000 parts

Modern dirt bikes take serious abuse, so the parts on your machine need to match the way you ride. Whether you hit motocross tracks, single-track, or rough enduro terrain, the right dirt bike parts make a huge difference in power, handling, and durability. Riders choose high quality aftermarket components because they outperform stock parts and hold up when the pressure is on. Our selection is built for anyone who wants stronger performance and reliability on every jump, corner, and trail.


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  • Pro Circuit - SY93080-SE - 304 Silencer

    Pro Circuit - SY93080-SE - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SY93080SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SY93080-RE - R-304 Silencer

    Pro Circuit - SY93080-RE - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SY93080RE - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SY03250-296 - Spark Arrestor Silencer

    Pro Circuit - SY03250-296 - Spark Arrestor Silencer

    Pro Circuit

    $232.95
    Pro Circuit - SY03250296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...
    $232.95
    Qty in Cart: 0
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    $232.95
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  • Pro Circuit - SY02125-296 - Spark Arrestor Silencer

    Pro Circuit - SY02125-296 - Spark Arrestor Silencer

    Pro Circuit

    $232.95
    Pro Circuit - SY02125296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...
    $232.95
    Qty in Cart: 0
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    $232.95
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  • Pro Circuit - SS93125-304 - 304 Silencer

    Pro Circuit - SS93125-304 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SS93125304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SS02250-RE - R-304 Silencer

    Pro Circuit - SS02250-RE - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SS02250RE - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SS02125-296 - Spark Arrestor Silencer

    Pro Circuit - SS02125-296 - Spark Arrestor Silencer

    Pro Circuit

    $232.95
    Pro Circuit - SS02125296 - Spark Arrestor SilencerFeaturesU.S. Forest Service approved and will reduce your bike's noise level at or near 96dB on most modelsInternal metal baffle, chambers, and sound...
    $232.95
    Qty in Cart: 0
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    $232.95
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  • Pro Circuit - PY84490P - Platinum Head Pipe

    Pro Circuit - PY84490P - Platinum Head Pipe

    Pro Circuit

    $407.95
    Pro Circuit - PY84490P - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...
    $407.95
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    $407.95
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  • Pro Circuit - SK03250-RE - R-304 Silencer

    Pro Circuit - SK03250-RE - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SK03250RE - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SK02065-304 - 304 Silencer

    Pro Circuit - SK02065-304 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SK02065304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SK02065-R - R-304 Silencer Pro Circuit - SK02065-R - R-304 Silencer

    Pro Circuit - SK02065-R - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SK02065R - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SH99250-SE - 304 Silencer Pro Circuit - SH99250-SE - 304 Silencer

    Pro Circuit - SH99250-SE - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH99250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SH96080-RE - R-304 Silencer Pro Circuit - SH96080-RE - R-304 Silencer

    Pro Circuit - SH96080-RE - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SH96080RE - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SH97250-SE - 304 Silencer Pro Circuit - SH97250-SE - 304 Silencer

    Pro Circuit - SH97250-SE - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH97250SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SH87125-304 - 304 Silencer Pro Circuit - SH87125-304 - 304 Silencer

    Pro Circuit - SH87125-304 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH87125304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SH90250-304 - 304 Silencer Pro Circuit - SH90250-304 - 304 Silencer

    Pro Circuit - SH90250-304 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH90250304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SH89250-304 - 304 Silencer Pro Circuit - SH89250-304 - 304 Silencer

    Pro Circuit - SH89250-304 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH89250304 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - SH00250-RE - R-304 Silencer Pro Circuit - SH00250-RE - R-304 Silencer

    Pro Circuit - SH00250-RE - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - SH00250RE - R-304 SilencerFeaturesThe compact design of the short aluminum canister offers optimum performance gains and is recommended for closed-course racing onlyHex head screws are...
    $206.29
    Qty in Cart: 0
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    $206.29
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  • Pro Circuit - SH02125-SE - 304 Silencer Pro Circuit - SH02125-SE - 304 Silencer

    Pro Circuit - SH02125-SE - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - SH02125SE - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for...
    $205.95
    Qty in Cart: 0
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    $205.95
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  • Pro Circuit - 4S03125 - T-4 Exhaust Pro Circuit - 4S03125 - T-4 Exhaust

    Pro Circuit - 4S03125 - T-4 Exhaust

    Pro Circuit

    $349.95
    Pro Circuit - 4S03125 - T-4 ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor...
    $349.95
    Qty in Cart: 0
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    $349.95
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  • Pro Circuit - SH00250-SA - Spark Arrestor Silencer - CR250R '00-'01 Pro Circuit - SH00250-SA - Spark Arrestor Silencer - CR250R '00-'01

    Pro Circuit - SH00250-SA - Spark Arrestor Silencer - CR250R '00-'01

    Pro Circuit

    $173.95
    Pro Circuit - SH00250SA - Spark Arrestor Silencer - CR250R '00-'01FeaturesSpecially engineered internal metal baffle eliminates the chance of a spark leaving the exhaust systemClog-free Krizzman...
    $173.95
    Qty in Cart: 0
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    $173.95
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  • Pro Circuit - 4H03150 - T-4 Exhaust Pro Circuit - 4H03150 - T-4 Exhaust

    Pro Circuit - 4H03150 - T-4 Exhaust

    Pro Circuit

    $418.95
    Pro Circuit - 4H03150 - T-4 ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor...
    $418.95
    Qty in Cart: 0
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    $418.95
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  • Pro Circuit - 4H85600 - T-4 Silencer Pro Circuit - 4H85600 - T-4 Silencer

    Pro Circuit - 4H85600 - T-4 Silencer

    Pro Circuit

    $523.95
    Pro Circuit - 4H85600 - T-4 SilencerFeaturesUltra-responsive performanceIncredible horsepower gains when compared to stockDeveloped to increase the horsepower and torque throughout the power...
    $523.95
    Qty in Cart: 0
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    $523.95
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  • Pro Circuit - 4H01080 - T-4 Exhaust Pro Circuit - 4H01080 - T-4 Exhaust

    Pro Circuit - 4H01080 - T-4 Exhaust

    Pro Circuit

    $370.95
    Pro Circuit - 4H01080 - T-4 ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor...
    $370.95
    Qty in Cart: 0
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    $370.95
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  • Pro Circuit - 4H00070 - T-4 Exhaust Pro Circuit - 4H00070 - T-4 Exhaust

    Pro Circuit - 4H00070 - T-4 Exhaust

    Pro Circuit

    $370.95
    Pro Circuit - 4H00070 - T-4 ExhaustFeaturesExtensively track- and dyno-testedSteel Allen head screws make repacking an easy taskExclusive E-glass pillow packingIncludes USFS-approved spark arrestor...
    $370.95
    Qty in Cart: 0
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    $370.95
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  • Pro Circuit - 4H00400 - T-4 Silencer - XR400R '96-'04 Pro Circuit - 4H00400 - T-4 Silencer - XR400R '96-'04

    Pro Circuit - 4H00400 - T-4 Silencer - XR400R '96-'04

    Pro Circuit

    $523.95
    Pro Circuit - 4H00400 - T-4 Silencer - XR400R '96-'04FeaturesUltra-responsive performanceIncredible horsepower gains when compared to stockDeveloped to increase the horsepower and torque throughout...
    $523.95
    Qty in Cart: 0
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    $523.95
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  • Pro Circuit - PC4012-0001 - Backfire Screen Eliminator Kit Pro Circuit - PC4012-0001 - Backfire Screen Eliminator Kit

    Pro Circuit - PC4012-0001 - Backfire Screen Eliminator Kit - Fits Kawasaki 2006-2016 KX250F, 2006-2015 KX450F

    Pro Circuit

    $39.95
    Pro Circuit - 10110777 - Backfire Screen Eliminator KitFeaturesIn the good ol' days, riders cut the wire screen out of the cage to get maximum airflow to the top end, but this kit does all the work...
    $39.95
    Qty in Cart: 0
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    $39.95
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  • Fmf - 025147 - Powercore 2 Silencer Fmf - 025147 - Powercore 2 Silencer

    Fmf - 025147 - Powercore 2 Silencer - Fits Yamaha 2009-2012 WR 125, 2011-2012 WR 150

    FMF

    $199.99
    Fmf - 18211384 - 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 - 044312 - Powercore 4 Muffler Fmf - 044312 - Powercore 4 Muffler

    Fmf - 044312 - Powercore 4 Muffler - Fits 1987-2021 Yamaha TW200

    FMF

    $359.99
    Fmf - 18211027 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecs
    $359.99
    Qty in Cart: 0
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    $359.99
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  • Fmf - 025151 - Fatty Pipe Fmf - 025151 - Fatty Pipe

    Fmf - 025151 - Fatty Pipe

    FMF

    $289.99
    Fmf - 18201387 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecs
    $289.99
    Qty in Cart: 0
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    $289.99
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  • Fmf - 025101 - Factory Fatty Pipe Fmf - 025101 - Factory Fatty Pipe

    Fmf - 025101 - Factory Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50

    FMF

    $299.99
    Fmf - 18201385 - 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 - 044220 - Powercore 4 Muffler Fmf - 044220 - Powercore 4 Muffler

    Fmf - 044220 - Powercore 4 Muffler

    FMF

    $449.99
    Fmf - 18210680 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecs
    $449.99
    Qty in Cart: 0
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    $449.99
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  • Fmf - 041275 - Powercore 4 Muffler Fmf - 041275 - Powercore 4 Muffler

    Fmf - 041275 - Powercore 4 Muffler - Fits 2004 Honda CRF450R

    FMF

    $449.99
    Fmf - 18210664 - Powercore 4 MufflerFeaturesAluminum construction and stainless steel Hi-Flo end caps make for the perfect balance of performance and strengthRemovable spark arrestor includedSpecs
    $449.99
    Qty in Cart: 0
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    $449.99
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  • Fmf - 025150 - Fatty Pipe Fmf - 025150 - Fatty Pipe

    Fmf - 025150 - Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50

    FMF

    $299.99
    Fmf - 18201386 - Fatty PipeFeaturesTru-Flo stamping process ensures a perfect fit and optimum performanceConstructed of strong 19-gauge steel with a nickel-plated finishSpecs
    $299.99
    Qty in Cart: 0
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    $299.99
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  • Pro Circuit - 0721485 - Works Pipe Pro Circuit - 0721485 - Works Pipe

    Pro Circuit - 0721485 - Works Pipe - Fits Kawasaki 2014-2022 KX85, 2014-2021 KX100

    Pro Circuit

    $337.95
    Pro Circuit - 18201499 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...
    $337.95
    Qty in Cart: 0
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    $337.95
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  • Fmf - 041483 - PowerBomb Header Fmf - 041483 - PowerBomb Header

    Fmf - 041483 - PowerBomb Header - Fits 2003-2017 Honda CRF230F

    FMF

    $199.99
    Fmf - 18220395 - PowerBomb HeaderFeaturesPosition "Bomb" increases performance; horsepower is increased as much as 10%Act as "pre-muffler" helping to lower the decibel outputThe expansion and...
    $199.99
    Qty in Cart: 0
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    $199.99
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  • Fmf - 025157 - Factory Fatty Pipe - '13-'19 RR250/300 Fmf - 025157 - Factory Fatty Pipe - '13-'19 RR250/300

    Fmf - 025157 - Factory Fatty Pipe - '13-'19 RR250/300 - Fits 2013-2018 Beta 250/300 RR

    FMF

    $329.99
    Fmf - 18201487 - Factory Fatty Pipe - '13-'19 RR250/300FeaturesBroadens and smooths out the power curve while boosting gains throughout the entire power band, more low-end, more mid, and increased...
    $329.99
    Qty in Cart: 0
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    $329.99
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Adding your products to cart

High Performance Dirt Bike and Motocross Components

Every piece of your dirt bike contributes to how confidently you ride. Upgrading to better engine parts, clutch components, and fuel system pieces gives you stronger acceleration and cleaner throttle response when the track gets rough. Suspension upgrades like fork springs, seals, shock components, and linkage parts help your bike stay predictable through whoops, ruts, and landings. Controls matter just as much, so riders improve their cockpit with new handlebars, grips, levers, and foot pegs that boost comfort and precision at high speed.

 

Performance braking and drive components can completely transform how a dirt bike handles. Rotors, pads, chains, sprockets, wheel bearings, and hardware all play a role in keeping traction consistent and stopping power reliable. Even routine maintenance items like air filters, spark plugs, fluids, cables, and gaskets impact how well your bike performs under load. Quality parts help you ride longer, harder, and with more confidence, whether you are chasing lap times or carving your favorite trails.

 

Our goal is simple. Give riders access to dirt bike parts that hold up to real riding conditions and deliver true performance gains. When you twist the throttle, charge a jump, or slam into a corner, you should trust that every component on your bike can take the hit and keep going. Explore our full lineup of dirt bike and motocross parts and build a machine that is ready for whatever you throw at it.