
Pro Circuit
Pro Circuit is a legendary name in motocross and off-road performance, producing high-performance motorcycle exhaust systems, silencers and racing engine components. Known for innovation and race-proven engineering, the brand develops Ti-6 titanium exhaust systems, T-6 stainless exhausts, Works pipes and R-304 silencers for professional and amateur riders. Pro Circuit components are designed to maximize horsepower, throttle response and overall engine efficiency.
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Pro Circuit - 0111925F - T-6 Exhaust - Fits 2019-2020 Honda CRF250F
Pro Circuit
$699.95Pro Circuit - 18201917 - 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...$699.95 -
Pro Circuit - 0312025F2 - TI-6 Exhaust - Fits 2020 Honda CRF250R
Pro Circuit
$1,816.95Pro Circuit - 18201941 - TI-6 ExhaustFeaturesConstructed of titanium throughout the head pipe, mid pipe and canisterThe ideal exhaust for any off-road or closed course racer looking for improved...$1,816.95 -
Pro Circuit - 0851930 - Platinum Pipe - Fits 2019 Husqvarna TE 300, 2001 Honda CR125R
Pro Circuit
$365.95Pro Circuit - 18201922 - Platinum PipeFeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$365.95 -
Pro Circuit - 0751930 - Works Pipe - Fits 2004-2005 KTM 3 300 EXC, 2019 Husqvarna TE 300
Pro Circuit
$349.95Pro Circuit - 18201921 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$349.95 -
Pro Circuit - 0341925FP - Ti-6 Pro Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201906 - 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 regulationsSpecsRiding...$1,396.95 -
Pro Circuit - 0341925F - Ti-6 Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201909 - Ti-6 ExhaustFeaturesConstructed of titanium throughout the head pipe, mid pipe and canisterThe ideal exhaust for any off-road or closed course racer looking for improved...$1,396.95 -
Pro Circuit - 0141925G - T-6 Exhaust
Pro Circuit
$1,089.95Pro Circuit - 18201908 - 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 - 0332045FP - Ti-6 Pro Exhaust
Pro Circuit
$1,487.95Pro Circuit - 18201927 - 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...$1,487.95 -
Pro Circuit - 0111912F - T-6 Exhaust - Fits 2019-2020 Honda CRF125F
Pro Circuit
$512.95Pro Circuit - 18201916 - 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...$512.95 -
Pro Circuit - 0111911G - T-6 Exhaust - Fits 2019-2020 Honda CRF110F
Pro Circuit
$512.95Pro Circuit - 18201915 - 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...$512.95 -
Pro Circuit - 0852030 - Platinum Pipe - Fits 2020-2022 Husqvarna TE 250, 2020-2022 Husqvarna TE/TX 300, 1992-1997 Honda CR125R
Pro Circuit
$365.95Pro Circuit - 18201924 - Platinum PipeFeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$365.95 -
Pro Circuit - 0111311G - T-5 Exhaust System
Pro Circuit
$349.95Pro Circuit - 18201468 - T-5 Exhaust SystemFeaturesAdvanced RC-4 resonance chamber to reduce noise outputAsymmetrical muffler configuration maximizes packing volume to ensure sustained...$349.95 -
Pro Circuit - 1051930 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18211971 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength...$205.95 -
Pro Circuit - 1351930 - 296 Spark Arrestor
Pro Circuit
$232.95Pro Circuit - 18211974 - 296 Spark ArrestorFeaturesThe Type 296 Silencer is also U.S. Forest Service approved and will reduce your bikes noise level at or near 96dB on most modelsInternal metal...$232.95 -
Pro Circuit - 1151930 - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - 18211972 - 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 -
Out of stock
Pro Circuit - 0321545F - Ti-6 Exhaust - Fits 2009-2015 Kawasaki KX450F
Pro Circuit
$1,396.95Pro Circuit - 18201618 - Ti-6 ExhaustFeaturesConstructed of titanium throughout the head pipe, mid pipe and canisterThe ideal exhaust for any off-road or closed course racer looking for improved...$1,396.95 -
Pro Circuit - 1121485K - Ti-2 Silencer
Pro Circuit
$446.95Pro Circuit - 18211695 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...$446.95 -
Pro Circuit - 0132012F - T-6 Exhaust
Pro Circuit
$549.95Pro Circuit - 18201974 - T-6 ExhaustFeaturesTi-6 titanium exhaust system is designed to improve performance and power; constructed of titanium throughout the head pipe, mid pipe and canister; this is...$549.95 -
Pro Circuit - 0112023F - T-6 Exhaust - Fits 2002-2019 Honda CRF230F
Pro Circuit
$549.95Pro Circuit - 18201973 - T-6 ExhaustFeaturesTi-6 titanium exhaust system is designed to improve performance and power; constructed of titanium throughout the head pipe, mid pipe and canister; this is...$549.95 -
Pro Circuit - 0322125FP - Ti-6 Pro Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201977 - Ti-6 Pro ExhaustFeaturesEquipped with RC-4 Resonance ChamberLighter weight than OEM systemHigh-grade titanium material used throughoutCarbon fiber end-capMachined aluminum...$1,396.95 -
Pro Circuit - 0122125G - Stainless Steel T-6 Exhaust - Fits 2021-2024 Kawasaki KX250
Pro Circuit
$1,089.95Pro Circuit - 18201975 - Stainless Steel T-6 ExhaustFeaturesEquipped with RC-4 Resonance ChamberStainless steel end-capAluminum canisterMachined aluminum muffler bracket for increased strength and...$1,089.95 -
Pro Circuit - 0122030G - Stainless Steel T-6 Exhaust - KLX300R - Fits 2020-2023 Kawasaki KLX300R
Pro Circuit
$658.95Pro Circuit - 18201965 - Stainless Steel T-6 Exhaust - KLX300RFeaturesStainless steel mid pipe and headerA United States Forest Service approved spark arrestor comes equipped making it easy to...$658.95 -
Pro Circuit - 0122023G - Stainless Steel T-6 Exhaust - KLX230R - Fits 2020-2022 Kawasaki KLX230R
Pro Circuit
$658.95Pro Circuit - 18201964 - Stainless Steel T-6 Exhaust - KLX230RFeaturesStainless steel mid pipe and headerA United States Forest Service approved spark arrestor comes equipped making it easy to...$658.95 -
Pro Circuit - 0122011F - T-6 Exhaust - Fits 2010-2025 Kawasaki KLX110
Pro Circuit
$549.95Pro Circuit - 18201951 - 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...$549.95 -
Pro Circuit - 0851665 - Platinum Head Pipe - Fits 2021-2023 Gas Gas MC 65, 2017-2023 Husqvarna TC 65, 2016-2023 KTM 65 SX
Pro Circuit
$337.95Pro Circuit - 18201698 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...$337.95 -
Pro Circuit - 0321725FP - Ti-6 Pro Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18201709 - 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 regulationsSpecsPipe...$1,396.95 -
Pro Circuit - 0761725 - Works Pipe - Fits Husqvarna 2017-2018 TC 250, 2017-2018 TX 300
Pro Circuit
$349.95Pro Circuit - 18201744 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$349.95 -
Pro Circuit - 1061725 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18211779 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength...$205.95 -
Pro Circuit - 1151725 - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - 18211776 - 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 -
Out of stock
Pro Circuit - 0111545G2 - T-6 Exhaust
Pro Circuit
$1,250.95Pro Circuit - 18201604 - 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...$1,250.95 -
Out of stock
Pro Circuit - 1151665 - R-304 Silencer - Fits 2016-2023 KTM 65 SX, 2017-2023 Husqvarna TC 65
Pro Circuit
$206.29Pro Circuit - 18211767 - 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 - 1161725 - R-304 Silencer - Fits 2017-2018 Husqvarna TX 300
Pro Circuit
$206.29Pro Circuit - 18211780 - 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 -
Out of stock
Pro Circuit - 1051725 - 304 Silencer
Pro Circuit
$171.95Pro Circuit - 18211775 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength...$171.95 -
Pro Circuit - 1051665 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18211770 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength...$205.95 -
Out of stock
Pro Circuit - 1151612 - R-304 Silencer - Fits 2016 KTM 125/150 SX
Pro Circuit
$206.29Pro Circuit - 18211754 - 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 -
Out of stock
Pro Circuit - 1051612 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18211753 - 304 SilencerFeaturesLonger body design helps to reduce noise output6061 T6 brushed aluminum silencer bodyStainless steel inlet tube and end-capTig and mig welded for strength...$205.95 -
Pro Circuit - 0122023A - T-6 Muffler - KLX230R
Pro Circuit
$512.95Pro Circuit - 18212014 - T-6 Muffler - KLX230RFeaturesStainless steel mid pipeA United States Forest Service approved spark arrestor comes equipped making it easy to alternate between off-road and...$512.95 -
Pro Circuit - 1121412K - Ti-2 Silencer - Fits 2003-2007 Kawasaki KX125
Pro Circuit
$446.95Pro Circuit - 18211734 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...$446.95 -
Out of stock
Pro Circuit - 1111412K - Ti-2 Silencer
Pro Circuit
$446.95Pro Circuit - 18211732 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...$446.95 -
Out of stock
Pro Circuit - 1151525 - R-304 Silencer
Pro Circuit
$206.29Pro Circuit - 18211697 - 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 Performance Exhaust Systems – Motorcycle Exhausts, Racing Engine Components & Power Upgrade Kits
Pro Circuit has built a global reputation as one of the most influential brands in motocross and off-road motorcycle performance engineering. The company designs race-proven components that enhance engine output, throttle response and overall riding performance. Their product lineup includes advanced motorcycle exhaust systems, titanium silencers and precision-machined performance parts used by professional race teams and enthusiasts alike.
Among the brand’s most recognized products are the Ti-6 Pro titanium exhaust systems, T-6 stainless steel exhaust systems and Works Pipe performance expansion chambers. Riders also rely on R-304 silencers, spark arrestor silencers and Platinum series exhaust pipes designed to optimize power delivery across various engine platforms. In addition to exhaust solutions, Pro Circuit manufactures a range of racing components including clutch springs, water pump covers, linkage arms, axle blocks and throttle tubes that support durability and precision performance in competitive riding conditions.
Beyond exhaust technology, Pro Circuit provides performance-focused upgrades that enhance both engine reliability and chassis control. Products such as ignition covers, shift levers, clutch covers and fuel mixture screws help riders fine-tune their machines for optimal efficiency and responsiveness. Whether installing a motocross performance exhaust, upgrading engine hardware or improving throttle control with precision components, Pro Circuit continues to deliver race-developed solutions trusted by professional riders and off-road enthusiasts worldwide.