Dirt Bike 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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Fmf - 042384 - MegaBomb Header
FMF
$374.99Fmf - 18220524 - 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 -
Fmf - 025280 - Gnarly™ Exhaust Pipe
FMF
$329.99Fmf - 18202015 - Gnarly™ Exhaust PipeFeaturesExcellent off-road pipe and good for tighter tracksBuilt with tough 18-gauge steelO-rings IncludedSpecs$329.99 -
Fmf - 024078 - Exhaust Factory Fatty Rev Pipe - Fits 2022-2026 Yamaha YZ125/X
FMF
$319.99Fmf - 18202014 - Exhaust Factory Fatty Rev PipeFeaturesDyno and track tested for every applicationO-rings includedSpecs$319.99 -
Fmf - 024071 - Turbinecore 2 Silencer - Fits 2003-2007 Honda CR85R
FMF
$229.99Fmf - 18211875 - Turbinecore 2 SilencerFeaturesStraight-through design of the spark arrestor canister and the Performance Flow stainless steel end cap ensure strength, durability and unrestricted...$229.99 -
Fmf - 041605 - Factory 4.1 RCT Exhaust - Titanium
FMF
$1,374.99Fmf - 18201994 - 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...$1,374.99 -
Pro Circuit - 0312425FP - Ti-6 Pro Exhaust System
Pro Circuit
$1,555.95Pro Circuit - 18202007 - Ti-6 Pro Exhaust SystemFeaturesDesigned to increase performance and help professional racers pass AMA/FIM sound regulationsMachined aluminum muffler brackets for increased...$1,555.95 -
Moose Offroad - Replacement Spark Arrestor Screen Kit
Moose Offroad
$31.95Moose Offroad - 18611645 - Replacement Spark Arrestor Screen KitFeaturesEasy maintenance and removal with only two screwsUSFS approved spark arrestor end capMade in the U.S.A.Specs$31.95 -
Polisport - 8484100005 - Armadillo Extreme Silencer Guard - Grey
Polisport
$76.99Polisport - 18611543 - Armadillo Extreme Silencer Guard - GreyFeaturesStainless steel and silicone construction for an increased level of protection, impact absorption and to avoid vibration...$76.99 -
Fmf - 042390 - MegaBomb Header - Fits 2021-2024 Kawasaki KX250
FMF
$374.99Fmf - 18220521 - 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 -
Leovince - 14436X - X3 EVO Slip-On Muffler - Gas Gas/KTM/Husqvarna - Fits 2021-2023 Gas Gas EC 250F/350F, 2020-2023 Husqvarna FE 250/350/450/501
LeoVince
MSRP: $514.95$513.95Leovince - 18212085 - X3 EVO Slip-On Muffler - Gas Gas/KTM/Husqvarna Features Media-blasted for a perfect textured surface finish Lightweight carbon fiber end cap Welded mounting brackets with...MSRP: $514.95$513.95 -
Fmf - 044450 - MegaBomb Header
FMF
$524.99Fmf - 18220476 - 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...$524.99 -
Pro Circuit - 0131845A - T-6 Muffler - Fits 2018-2019 Yamaha YZ450F
Pro Circuit
$799.95Pro Circuit - 18211841 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$799.95 -
Polisport - 8484100004 - Armadillo Extreme Silencer Guard - Red
Polisport
$76.99Polisport - 18611542 - Armadillo Extreme Silencer Guard - RedFeaturesStainless steel and silicone construction for an increased level of protection, impact absorption and to avoid vibration...$76.99 -
Fmf - 041613 - 4.1 RCT Exhaust System
FMF
$1,374.99Fmf - 18202003 - 4.1 RCT Exhaust SystemFeaturesIn addition, we achieve a shorter overall length that is less susceptible to crash damage and complementary to our Factory Forward Engineering - moving...$1,374.99 -
Pro Circuit - 0111945GX - T-6 Titanium Exhaust System
Pro Circuit
$1,275.95Pro Circuit - 18201910 - T-6 Titanium Exhaust System Features Stainless steel construction throughout headpipe with titanium canister Asymmetrical muffler configuration for increased packing...$1,275.95 -
Pro Circuit - 0152225G - T-6 Exhaust System - Stainless Steel
Pro Circuit
$1,102.95Pro Circuit - 18202019 - T-6 Exhaust System - Stainless SteelFeaturesSpecsFeatureswith removable Spark Arrestor<$1,102.95 -
Pro Circuit - 0112425G - T-6 Exhaust System
Pro Circuit
$1,169.95Pro Circuit - 18202004 - T-6 Exhaust SystemFeaturesSuperior strength mounting brackets for durabilityComes with a removable USFS approved spark arrestor making it easy to alternate between off-road...$1,169.95 -
Fmf - 024076 - Exhaust Fatty Pipe
FMF
$319.99Fmf - 18202012 - Exhaust Fatty PipeFeaturesCarbon steel with a nickel plated finish for maximum durabilityO-rings IncludedSpecs$319.99 -
Pro Circuit - 0122025G - T-6 Exhaust - Fits 2020 Kawasaki KX250
Pro Circuit
$1,089.95Pro Circuit - 18201928 - T-6 ExhaustFeaturesComes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course...$1,089.95 -
Pro Circuit - PY05125-RV - Works Pipe
Pro Circuit
$352.95Pro Circuit - 18201983 - Works PipeFeaturesConstructed of high-quality carbon steel with hand welded and pounded seamsReinforced mounting brackets and stingerDesigned to be stronger on the...$352.95 -
Polisport - 8469200005 - Armadillo Pipe Guard - Grey
Polisport
$84.99Polisport - 18611387 - Armadillo Pipe Guard - GreyFeaturesResistant to high temperaturesQuick and easy to install, easy to remove and clean after ridingVariable width through the protection for a...$84.99 -
Polisport - 8469200003 - Armadillo Pipe Guard - Blue
Polisport
MSRP: $80.99$67.49Polisport - 18611385 - Armadillo Pipe Guard - BlueFeaturesResistant to high temperaturesQuick and easy to install, easy to remove and clean after ridingVariable width through the protection for a...MSRP: $80.99$67.49 -
Polisport - 8473200001 - Armadillo Metal Braces
Polisport
$7.99Polisport - 18611436 - Armadillo Metal BracesFeaturesSpecsUnitsEachMat$7.99 -
Fmf - 042374 - Factory 4.1 RCT Muffler - Aluminum
FMF
$599.99Fmf - 18211953 - 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...$599.99 -
Fmf - 041603 - Factory 4.1 Muffler
FMF
$899.99Fmf - 18212044 - Factory 4.1 MufflerFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward...$899.99 -
Fmf - 043380 - Q4 Hex Slip-On Muffler - Fits 1997-2020 Suzuki DR650SE
FMF
$499.99Fmf - 18212045 - Q4 Hex Slip-On MufflerFeaturesMeets FIM World Enduro sound regulationsPower gains throughout the entire rpm rangeSpark arrestor includedPounds lighter than stockRugged design for...$499.99 -
Fmf - 043379 - Powercore 4 Muffler - Fits 1997-2020 Suzuki DR650SE
FMF
$449.99Fmf - 18212040 - Powercore 4 MufflerFeaturesComputer-designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...$449.99 -
Fmf - 041602 - Factory 4.1 Muffler - Fits 2021-2024 Honda CRF450R/RX
FMF
$674.99Fmf - 18212043 - Factory 4.1 MufflerFeaturesSuperior power and performance - horsepower improved throughout the rpm rangeFeature exclusive proprietary Chamber Core technologyFactory Forward...$674.99 -
Leovince - 9782 - Exhaust Inlet Adapter - 50.8mm/2.00"
LeoVince
$58.95Leovince - 18120468 - Exhaust Inlet Adapter - 50.8mm/2.00"FeaturesCompatible with LV-10, GP Corsa, GP Corsa EVO, and GP Corsa MatteSpecs$58.95 -
Fmf - 042392 - Powercore 4 Muffler - Fits 2021 Kawasaki KX250F
FMF
$449.99Fmf - 18212038 - Powercore 4 MufflerFeaturesComputer-designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...$449.99 -
Leovince - 9777 - Exhaust Inlet Adapter - 31.75mm/1-1/4"
LeoVince
$59.95Leovince - 18120463 - Exhaust Inlet Adapter - 31.75mm/1-1/4"FeaturesCompatible with LV-10, GP Corsa, GP Corsa EVO, and GP Corsa MatteSpecs$59.95 -
Fmf - 041600 - Powercore 4 Muffler - Fits 2021-2023 Honda CRF450R
FMF
$449.99Fmf - 18212041 - Powercore 4 MufflerFeaturesComputer-designed and dyno-tested for every 4-stroke applicationEnhanced sonic evacuation delivers a higher flow of exhaust gases, which increases powerA...$449.99 -
Fmf - 042393 - Q4 Hex Slip-On Muffler - Fits 2021 Kawasaki KX250F
FMF
$499.99Fmf - 18212039 - Q4 Hex Slip-On MufflerFeaturesMeets FIM World Enduro sound regulationsPower gains throughout the entire rpm rangeSpark arrestor includedPounds lighter than stockRugged design for...$499.99 -
Pro Circuit - 1131412K-RV - Ti2 Silencer
Pro Circuit
$446.95Pro Circuit - 18212033 - Ti2 SilencerFeaturesFeatures an aramid fiber silencer body, titanium tubing and end-cap with CNC-machined aluminum mounting bracketOffers a professional look and factory...$446.95 -
Pro Circuit - 0151935G - T-6 Exhaust
Pro Circuit
$1,089.95Pro Circuit - 18201893 - T-6 ExhaustFeaturesComes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course...$1,089.95 -
Pro Circuit - 0351935FP - Ti-6 Pro Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201864 - Ti-6 Pro ExhaustFeaturesCreated as a full race system, the Ti-6 Pro is designed to increase performance and help professional racers pass AMA/FIM sound regulationsSpecs$1,396.95 -
Pro Circuit - 1031985 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18201889 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel end-capTig and mig welded for strength and...$205.95 -
Fmf - 024069 - Factory Fatty Pipe
FMF
$299.99Fmf - 18201828 - 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 -
Pro Circuit - 0731865 - Works Pipe - Fits 2018-2025 Yamaha YZ65
Pro Circuit
$322.95Pro Circuit - 18201837 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$322.95 -
Pro Circuit - 0111825G2 - T-6 Exhaust - Fits 2018-2019 Honda CRF250R
Pro Circuit
$1,319.95Pro Circuit - 18201820 - T-6 ExhaustFeaturesComes with a removable United States Forest Service (USFS) Approved Spark Arrestor making it easy to alternate between off-road and closed course...$1,319.95
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.