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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Out of stock
Pro Circuit - 0311945FP2 - TI-6 Pro Exhaust
Pro Circuit
$1,840.95Pro Circuit - 18201897 - 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 regulationsSpecsEnd...$1,840.95 -
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 ArrestorUnitsEachMaterialStainless SteelRiding StyleOff-RoadProduct NameExhaust...$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 -
Pro Circuit - 0122025G - T-6 Exhaust
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 -
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 regulationsSpecsPipe...$1,396.95 -
Out of stock
Pro Circuit - 0131925G - T-6 Exhaust
Pro Circuit
$1,029.95Pro Circuit - 18201855 - 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...$1,029.95 -
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 -
Pro Circuit - 0731865 - Works Pipe
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
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 -
Pro Circuit - 0731985 - Works Pipe
Pro Circuit
$337.95Pro Circuit - 18201887 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...$337.95 -
Pro Circuit - 0831985 - Platinum Pipe
Pro Circuit
$352.95Pro Circuit - 18201888 - Platinum PipeFeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$352.95 -
Pro Circuit - SG18300-296 - Spark Arrestor Silencer
Pro Circuit
$202.95Pro Circuit - 18211876 - 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...$202.95 -
Pro Circuit - 0831865 - Platinum Pipe - YZ65
Pro Circuit
$337.95Pro Circuit - 18201838 - Platinum Pipe - YZ65FeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...$337.95 -
Pro Circuit - 0351935F - Ti-6 Exhaust
Pro Circuit
$1,396.95Pro Circuit - 18211936 - 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 - 0151935A - T-6 Muffler
Pro Circuit
$649.95Pro Circuit - 18211935 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$649.95 -
Pro Circuit - 0111825A2 - T-6 Mufflers
Pro Circuit
$1,045.95Pro Circuit - 18211860 - T-6 MufflersFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$1,045.95 -
Pro Circuit - 0331925FP - Ti-6 Pro Exhaust
Pro Circuit
$1,487.95Pro Circuit - 18201853 - 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 - 0331925F - Ti-6 Exhaust
Pro Circuit
$1,487.95Pro Circuit - 18201852 - 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...$1,487.95 -
Out of stock
Pro Circuit - SG18300-SE - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18211877 - 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 - 0111945GXA - T-6 Muffler
Pro Circuit
$799.00Pro Circuit - 18211968 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...$799.00 -
Pro Circuit - 0852312 - Platinum Pipe
Pro Circuit
$352.95Pro Circuit - 18220544 - Platinum PipeFeaturesHand welded and pounded seamsReinforced mounting brackets and stingerMade in the U.S.A.SpecsUnitsEachModelPlatinumColor/FinishNickel-PlatedProduct...$352.95 -
Pro Circuit - 0322445FP - TI-6 Pro Exhaust System - Titanium
Pro Circuit
$1,536.95Pro Circuit - 18202044 - TI-6 Pro Exhaust System - TitaniumFeaturesSpecsProduct NameExhaust SystemRiding StyleOff-RoadEnd Cap MaterialCarbon FiberUnitsEachEnd Cap Color/FinishBlackModelTi-6...$1,536.95 -
Pro Circuit - 0852465 - Platinum Pipe Exhaust System
Pro Circuit
$337.95Pro Circuit - 18220553 - Platinum Pipe Exhaust SystemFeaturesHand welded and pounded seamsReinforced mounting brackets and stingerMade in the U.S.A.SpecsModelPlatinumRiding...$337.95 -
Pro Circuit - 1152465 - R-304 Slencer
Pro Circuit
$206.29Pro Circuit - 18212104 - R-304 SlencerFeaturesDouble-walled mounting bracket6061 T6 brushed aluminum silencer bodyStainless steel end-capTIG and MIG welded for strength and durabilityAllen head...$206.29 -
Pro Circuit - 1052312 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18212075 - 304 SilencerFeatures6061 T6 brushed aluminum silencer bodyStainless steel end-capDouble-walled mounting bracketsAllen head screws ensure easy repacking when needed for...$205.95 -
Pro Circuit - 0322445F - TI-6 Exhaust System - Titanium
Pro Circuit
$1,536.95Pro Circuit - 18202043 - TI-6 Exhaust System - TitaniumFeaturesSpecsModelTi-6Product NameExhaust SystemEnd Cap Color/FinishBlackRiding StyleOff-RoadEnd Cap MaterialCarbon FiberUnitsEachMuffler...$1,536.95 -
Pro Circuit - 0752465 - Works Pipe Exhaust System
Pro Circuit
$322.95Pro Circuit - 18220552 - Works Pipe Exhaust SystemFeaturesWorks finishStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerMade in...$322.95 -
Pro Circuit - 1052465 - 304 Silencer
Pro Circuit
$205.95Pro Circuit - 18212103 - 304 SilencerFeatures6061 T6 brushed aluminum silencer bodyStainless steel end-capTIG and MIG welded for strength and durabilityDouble-walled mounting bracketAllen head screws...$205.95 -
Pro Circuit - 0122445G - T-6 Exhaust System - Stainless Steel
Pro Circuit
$1,198.95Pro Circuit - 18202042 - T-6 Exhaust System - Stainless SteelFeaturesSpecsModelT-6MaterialStainless SteelProduct NameExhaust SystemFeatureswith Spark ArrestorRiding...$1,198.95 -
Pro Circuit - 141001 - Exhaust Flange
Pro Circuit
$39.95Pro Circuit - 18602416 - Exhaust Flange Features Specs Type Exhaust Riding Style Off-Road Units Each Product...$39.95 -
Pro Circuit - 0352225FP - TI-6 Pro Exhaust System
Pro Circuit
$1,396.95Pro Circuit - 18202026 - TI-6 Pro Exhaust SystemFeaturesSpecsProduct NameExhaust SystemEnd Cap StyleConicalModelTi-6 ProMuffler MaterialTitaniumEnd Cap Color/FinishBlackRiding StyleOff-RoadPipe...$1,396.95 -
Pro Circuit - 0352225F - TI-6 Exhaust System
Pro Circuit
$1,396.95Pro Circuit - 18202021 - TI-6 Exhaust SystemFeaturesIdeal for closed-course or off-road racingTitanium construction throughout head pipe, mid pipe and canisterCarbon fiber end-cap...$1,396.95 -
Pro Circuit - 0752312 - Works Pipe
Pro Circuit
$337.95Pro Circuit - 18220541 - Works PipeFeaturesStamped AKDQ high quality carbon steel constructionReinforced mounting brackets and stingerMade in the U.S.A.SpecsProduct NameHead PipeRiding...$337.95 -
Pro Circuit - 0752325 - Works Pipe
Pro Circuit
$367.95Pro Circuit - 18220542 - Works PipeFeaturesIncreased horsepower and torque gains will quickly be noticed across the entire RPM rangeThe unplated, oiled metal finish requires some maintenance, but...$367.95 -
Pro Circuit - 0852325 - Platinum Pipe
Pro Circuit
$384.95Pro Circuit - 18220545 - Platinum PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...$384.95 -
Out of stock
Pro Circuit - 1352325 - Silencer
Pro Circuit
$202.95Pro Circuit - 18212082 - SilencerFeaturesSpecsUnitsEachEnd Cap Color/FinishStainless SteelRiding StyleOff-RoadEnd Cap MaterialStainless SteelModelType 296Product NameSilencerMuffler...$202.95
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.