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
$205.95Pro 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 -
Pro Circuit - SY93080-RE - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - SY03250-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro 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 -
Pro Circuit - SY02125-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro 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 -
Pro Circuit - SS93125-304 - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SS02250-RE - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - SS02125-296 - Spark Arrestor Silencer
Pro Circuit
$232.95Pro 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 -
Pro Circuit - PY84490P - Platinum Head Pipe
Pro Circuit
$407.95Pro 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 -
Pro Circuit - SK03250-RE - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - PC4003-0201 - Exhaust Flange
Pro Circuit
$39.95Pro Circuit - PC40030201 - Exhaust FlangeFeaturesWorks with both stock and aftermarket exhaust systemsSpecsRidin$39.95 -
Pro Circuit - SK02065-304 - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SK02065-R - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - SH99250-SE - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SH96080-RE - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - SH97250-SE - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SH87125-304 - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SH90250-304 - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SH89250-304 - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - SH00250-RE - R-304 Silencer
Pro Circuit
$206.29Pro 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 -
Pro Circuit - SH02125-SE - 304 Silencer
Pro Circuit
$205.95Pro 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 -
Pro Circuit - 4S03125 - T-4 Exhaust
Pro Circuit
$349.95Pro 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 -
Pro Circuit - SH00250-SA - Spark Arrestor Silencer - CR250R '00-'01
Pro Circuit
$173.95Pro 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 -
Pro Circuit - 4H03150 - T-4 Exhaust
Pro Circuit
$418.95Pro 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 -
Pro Circuit - 4H85600 - T-4 Silencer
Pro Circuit
$523.95Pro Circuit - 4H85600 - T-4 SilencerFeaturesUltra-responsive performanceIncredible horsepower gains when compared to stockDeveloped to increase the horsepower and torque throughout the power...$523.95 -
Pro Circuit - 4H01080 - T-4 Exhaust
Pro Circuit
$370.95Pro 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 -
Pro Circuit - 4H00070 - T-4 Exhaust
Pro Circuit
$370.95Pro 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 -
Pro Circuit - 4H00400 - T-4 Silencer - XR400R '96-'04
Pro Circuit
$523.95Pro 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 -
Pro Circuit - PC4012-0001 - Backfire Screen Eliminator Kit - Fits Kawasaki 2006-2016 KX250F, 2006-2015 KX450F
Pro Circuit
$39.95Pro 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 -
Akrapovic - P-SA015 - 2 Meter Max Insert - 35/50/43/20
Akrapovic
$103.95Akrapovic - 18610615 - 2 Meter Max Insert - 35/50/43/20FeaturesSpecsUnitsEach$103.95 -
Fmf - 025147 - Powercore 2 Silencer - Fits Yamaha 2009-2012 WR 125, 2011-2012 WR 150
FMF
$199.99Fmf - 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 -
Fmf - 044312 - Powercore 4 Muffler - Fits 1987-2021 Yamaha TW200
FMF
$359.99Fmf - 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 -
Fmf - 025151 - Fatty Pipe
FMF
$289.99Fmf - 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 -
Fmf - 025101 - Factory Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50
FMF
$299.99Fmf - 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 -
Fmf - 044220 - Powercore 4 Muffler
FMF
$449.99Fmf - 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 -
Fmf - 041275 - Powercore 4 Muffler - Fits 2004 Honda CRF450R
FMF
$449.99Fmf - 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 -
Fmf - 025150 - Fatty Pipe - Fits 2021-2023 Gas Gas MC 50, 2017-2023 Husqvarna TC 50
FMF
$299.99Fmf - 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 -
Akrapovic - V-EC52 - Replacement End Cap - EC52
Akrapovic
$155.95Akrapovic - 18600396 - Replacement End Cap - EC52FeaturesSold as eachSpecsUnitsEach$155.95 -
Pro Circuit - 0721485 - Works Pipe - Fits Kawasaki 2014-2022 KX85, 2014-2021 KX100
Pro Circuit
$337.95Pro 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 -
Fmf - 041483 - PowerBomb Header - Fits 2003-2017 Honda CRF230F
FMF
$199.99Fmf - 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 -
Fmf - 025157 - Factory Fatty Pipe - '13-'19 RR250/300 - Fits 2013-2018 Beta 250/300 RR
FMF
$329.99Fmf - 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
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.