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Pro Circuit

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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  • Qty in Cart
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  • Pro Circuit - 1131425K - Ti-2 Silencer Pro Circuit - 1131425K - Ti-2 Silencer

    Pro Circuit - 1131425K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211656 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
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  • Pro Circuit - 1111425K - Ti-2 Silencer Pro Circuit - 1111425K - Ti-2 Silencer

    Pro Circuit - 1111425K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211733 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
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  • Pro Circuit - 1051525 - 304 Silencer Pro Circuit - 1051525 - 304 Silencer

    Pro Circuit - 1051525 - 304 Silencer

    Pro Circuit

    $205.95
    Pro Circuit - 18211696 - 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
    Qty in Cart: 0
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    Price:
    $205.95
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  • Out of stock
    Pro Circuit - 11101430 - R-304 Silencer Pro Circuit - 11101430 - R-304 Silencer

    Pro Circuit - 11101430 - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - 18211692 - 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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    Price:
    $206.29
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  • Pro Circuit - 0162035A - T-6 Muffler Pro Circuit - 0162035A - T-6 Muffler

    Pro Circuit - 0162035A - T-6 Muffler

    Pro Circuit

    $649.95
    Pro Circuit - 18212032 - 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
    Qty in Cart: 0
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    Price:
    $649.95
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  • Pro Circuit - 0122125A - T-6 Muffler Pro Circuit - 0122125A - T-6 Muffler

    Pro Circuit - 0122125A - T-6 Muffler

    Pro Circuit

    $779.95
    Pro Circuit - 18212030 - T-6 MufflerFeaturesAsymmetrical muffler configuration for increased packing volumeRemovable U.S.F.S. approved spark arrestorTIG precision weldingMade in the U.S.A...
    $779.95
    Qty in Cart: 0
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    Price:
    $779.95
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  • Pro Circuit - 1131412K - Ti-2 Silencer Pro Circuit - 1131412K - Ti-2 Silencer

    Pro Circuit - 1131412K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211655 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
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  • Pro Circuit - 0121725G - T-6 Exhaust Pro Circuit - 0121725G - T-6 Exhaust

    Pro Circuit - 0121725G - T-6 Exhaust

    Pro Circuit

    $1,089.95
    Pro Circuit - 18201707 - 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,089.95
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  • Pro Circuit - 0851725 - Platinum Head Pipe Pro Circuit - 0851725 - Platinum Head Pipe

    Pro Circuit - 0851725 - Platinum Head Pipe

    Pro Circuit

    $365.95
    Pro Circuit - 18201705 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...
    $365.95
    Qty in Cart: 0
    Quantity:
    Price:
    $365.95
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  • Pro Circuit - 0321745FP - Ti-6 Pro Exhaust Pro Circuit - 0321745FP - Ti-6 Pro Exhaust

    Pro Circuit - 0321745FP - Ti-6 Pro Exhaust

    Pro Circuit

    $1,396.95
    Pro Circuit - 18201733 - 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...
    $1,396.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,396.95
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  • Out of stock
    Pro Circuit - 0751665 - Works Pipe Pro Circuit - 0751665 - Works Pipe

    Pro Circuit - 0751665 - Works Pipe

    Pro Circuit

    $322.95
    Pro Circuit - 18201697 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
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  • Pro Circuit - 0751725 - Works Pipe Pro Circuit - 0751725 - Works Pipe

    Pro Circuit - 0751725 - Works Pipe

    Pro Circuit

    $349.95
    Pro Circuit - 18201706 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...
    $349.95
    Qty in Cart: 0
    Quantity:
    Price:
    $349.95
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  • Pro Circuit - 0321725F - Ti-6 Exhaust Pro Circuit - 0321725F - Ti-6 Exhaust

    Pro Circuit - 0321725F - Ti-6 Exhaust

    Pro Circuit

    $1,396.95
    Pro Circuit - 18201708 - 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,396.95
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  • Pro Circuit - 0111945A2 - T-6 Mufflers Pro Circuit - 0111945A2 - T-6 Mufflers

    Pro Circuit - 0111945A2 - T-6 Mufflers

    Pro Circuit

    $1,045.95
    Pro Circuit - 18211946 - 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,045.95
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  • Pro Circuit - 0121725A - T-6 Muffler - KX250F '17-'19 Pro Circuit - 0121725A - T-6 Muffler - KX250F '17-'19

    Pro Circuit - 0121725A - T-6 Muffler - KX250F '17-'19

    Pro Circuit

    $649.95
    Pro Circuit - 18211783 - T-6 Muffler - KX250F '17-'19FeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased...
    $649.95
    Qty in Cart: 0
    Quantity:
    Price:
    $649.95
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  • Pro Circuit - 1151725K - Ti-2 Silencer Pro Circuit - 1151725K - Ti-2 Silencer

    Pro Circuit - 1151725K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211777 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
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  • Out of stock
    Pro Circuit - 0312225F - Ti-6 Exhaust System Pro Circuit - 0312225F - Ti-6 Exhaust System

    Pro Circuit - 0312225F - Ti-6 Exhaust System

    Pro Circuit

    $1,414.95
    Pro Circuit - 18202006 - Ti-6 Exhaust SystemFeaturesConstructed of titanium throughout the headpipe, mid pipe, and canisterFor any off-road or closed course racer looking for improved performance,...
    $1,414.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,414.95
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  • Out of stock
    Pro Circuit - 1151665K - Ti-2 Silencer Pro Circuit - 1151665K - Ti-2 Silencer

    Pro Circuit - 1151665K - Ti-2 Silencer

    Pro Circuit

    $399.95
    Pro Circuit - 18211769 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $399.95
    Qty in Cart: 0
    Quantity:
    Price:
    $399.95
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  • Pro Circuit - 1119312K - Ti-2 Silencer Pro Circuit - 1119312K - Ti-2 Silencer

    Pro Circuit - 1119312K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211986 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
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  • Pro Circuit - 0352245FP - TI-6 Pro Exhaust System

    Pro Circuit - 0352245FP - TI-6 Pro Exhaust System

    Pro Circuit

    $1,396.95
    Pro Circuit - 18202028 - TI-6 Pro Exhaust SystemFeaturesSpecsEnd Cap MaterialCarbon FiberPipe MaterialTitaniumProduct NameExhaust SystemUnitsEachRiding StyleOff-RoadEnd Cap Color/FinishBlackModelTi-6...
    $1,396.95
    Qty in Cart: 0
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    Price:
    $1,396.95
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  • Pro Circuit - 0152245G - T-6 Exhaust System - Stainless Steel Pro Circuit - 0152245G - T-6 Exhaust System - Stainless Steel

    Pro Circuit - 0152245G - T-6 Exhaust System - Stainless Steel

    Pro Circuit

    $1,102.95
    Pro Circuit - 18202020 - T-6 Exhaust System - Stainless SteelFeaturesSpecsRiding StyleOff-RoadFeatureswith Spark ArrestorModelT-6UnitsEachMaterialStainless SteelProduct NameExhaust...
    $1,102.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,102.95
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  • Pro Circuit - 0322025FP - Ti-6 Pro Exhaust Pro Circuit - 0322025FP - Ti-6 Pro Exhaust

    Pro Circuit - 0322025FP - Ti-6 Pro Exhaust

    Pro Circuit

    $1,396.95
    Pro Circuit - 18201930 - 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,396.95
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  • Pro Circuit - 0352245F - T-6 Exhaust System - Carbon Fiber End Cap

    Pro Circuit - 0352245F - T-6 Exhaust System - Carbon Fiber End Cap

    Pro Circuit

    $1,396.95
    Pro Circuit - 18202022 - T-6 Exhaust System - Carbon Fiber End CapFeaturesSpecsEnd Cap Color/FinishBlackRiding StyleOff-RoadEnd Cap MaterialCarbon FiberModelTi-6UnitsEachPipe MaterialTitaniumMuffler...
    $1,396.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,396.95
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  • Pro Circuit - 0751925-O - Works Pipe Pro Circuit - 0751925-O - Works Pipe

    Pro Circuit - 0751925-O - Works Pipe

    Pro Circuit

    $349.95
    Pro Circuit - 18201911 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...
    $349.95
    Qty in Cart: 0
    Quantity:
    Price:
    $349.95
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  • Pro Circuit - 0311945F2 - Ti-6 Exhaust Pro Circuit - 0311945F2 - Ti-6 Exhaust

    Pro Circuit - 0311945F2 - Ti-6 Exhaust

    Pro Circuit

    $2,024.95
    Pro Circuit - 18201899 - 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...
    $2,024.95
    Qty in Cart: 0
    Quantity:
    Price:
    $2,024.95
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  • Pro Circuit - 0122025A - T-6 Muffler Pro Circuit - 0122025A - T-6 Muffler

    Pro Circuit - 0122025A - T-6 Muffler

    Pro Circuit

    $799.95
    Pro Circuit - 18211976 - 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
    Qty in Cart: 0
    Quantity:
    Price:
    $799.95
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  • Pro Circuit - 1119225K - Ti-2 Silencer Pro Circuit - 1119225K - Ti-2 Silencer

    Pro Circuit - 1119225K - Ti-2 Silencer

    Pro Circuit

    $446.95
    Pro Circuit - 18211987 - Ti-2 SilencerFeaturesOffers the "factory" look and appearance while reducing weightOptimum performance gainsCNC-machined aluminum mounting bracketFor closed-course racing...
    $446.95
    Qty in Cart: 0
    Quantity:
    Price:
    $446.95
    Subtotal:
  • Pro Circuit - 1131865 - R-304 Silencer Pro Circuit - 1131865 - R-304 Silencer

    Pro Circuit - 1131865 - R-304 Silencer

    Pro Circuit

    $206.29
    Pro Circuit - 18211985 - 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
    Quantity:
    Price:
    $206.29
    Subtotal:
  • Pro Circuit - 0721665 - Works Pipe Pro Circuit - 0721665 - Works Pipe

    Pro Circuit - 0721665 - Works Pipe

    Pro Circuit

    $322.95
    Pro Circuit - 18201756 - Works PipeFeaturesDurable construction conforms to the natural shape of the motorcycle for exceptional fit and performanceReinforced brackets and stingers prevent cracking,...
    $322.95
    Qty in Cart: 0
    Quantity:
    Price:
    $322.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0821665 - Platinum Head Pipe Pro Circuit - 0821665 - Platinum Head Pipe

    Pro Circuit - 0821665 - Platinum Head Pipe

    Pro Circuit

    $337.95
    Pro Circuit - 18201755 - Platinum Head PipeFeaturesUnique nickel bath technology gives the surface added abrasion resistance and enhances the aesthetic lookStamped AKDQ high-quality carbon steel...
    $337.95
    Qty in Cart: 0
    Quantity:
    Price:
    $337.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0131845G - T-6 Exhaust Pro Circuit - 0131845G - T-6 Exhaust

    Pro Circuit - 0131845G - T-6 Exhaust

    Pro Circuit

    $1,132.95
    Pro Circuit - 18201800 - 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...
    $1,132.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,132.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0111745G2 - T-6 Exhaust Pro Circuit - 0111745G2 - T-6 Exhaust

    Pro Circuit - 0111745G2 - T-6 Exhaust

    Pro Circuit

    $1,070.95
    Pro Circuit - 18201766 - 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...
    $1,070.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,070.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0331845FP - Ti-6 Pro Exhaust Pro Circuit - 0331845FP - Ti-6 Pro Exhaust

    Pro Circuit - 0331845FP - Ti-6 Pro Exhaust

    Pro Circuit

    $1,487.95
    Pro Circuit - 18201802 - 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...
    $1,487.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,487.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0311745FP2 - Ti-6 Pro Dual Exhaust Pro Circuit - 0311745FP2 - Ti-6 Pro Dual Exhaust

    Pro Circuit - 0311745FP2 - Ti-6 Pro Dual Exhaust

    Pro Circuit

    $1,840.95
    Pro Circuit - 18201762 - Ti-6 Pro Dual ExhaustFeaturesCreated as a full race system, the Ti-6 Pro is designed to increase performance and help professional racers pass AMA/FIM sound...
    $1,840.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,840.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0341845FP - Ti-6 Pro Exhaust Pro Circuit - 0341845FP - Ti-6 Pro Exhaust

    Pro Circuit - 0341845FP - Ti-6 Pro Exhaust

    Pro Circuit

    $1,269.95
    Pro Circuit - 18201810 - 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...
    $1,269.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,269.95
    Subtotal:
  • Pro Circuit - 0312425FP - Ti-6 Pro Exhaust System Pro Circuit - 0312425FP - Ti-6 Pro Exhaust System

    Pro Circuit - 0312425FP - Ti-6 Pro Exhaust System

    Pro Circuit

    $1,555.95
    Pro 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
    Qty in Cart: 0
    Quantity:
    Price:
    $1,555.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0141845A - T-6 Muffler Pro Circuit - 0141845A - T-6 Muffler

    Pro Circuit - 0141845A - T-6 Muffler

    Pro Circuit

    $590.95
    Pro Circuit - 18211845 - T-6 MufflerFeaturesConstructed of stainless steel throughout the mid-pipe and end-cap while the canister is constructed of aluminum for increased durabilityMachined aluminum...
    $590.95
    Qty in Cart: 0
    Quantity:
    Price:
    $590.95
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  • Pro Circuit - 0131845A - T-6 Muffler Pro Circuit - 0131845A - T-6 Muffler

    Pro Circuit - 0131845A - T-6 Muffler

    Pro Circuit

    $799.95
    Pro 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
    Qty in Cart: 0
    Quantity:
    Price:
    $799.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0111945G2 - T-6 Exhaust Pro Circuit - 0111945G2 - T-6 Exhaust

    Pro Circuit - 0111945G2 - T-6 Exhaust

    Pro Circuit

    $1,295.95
    Pro Circuit - 18201898 - 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...
    $1,295.95
    Qty in Cart: 0
    Quantity:
    Price:
    $1,295.95
    Subtotal:
  • Out of stock
    Pro Circuit - 0851925-O - Platinum Pipe Pro Circuit - 0851925-O - Platinum Pipe

    Pro Circuit - 0851925-O - Platinum Pipe

    Pro Circuit

    $365.95
    Pro Circuit - 18201912 - Platinum PipeFeaturesStamped AKDQ high quality carbon steel constructionHand welded and pounded seamsReinforced mounting brackets and stingerElectroless nickel plating...
    $365.95
    Qty in Cart: 0
    Quantity:
    Price:
    $365.95
    Subtotal:
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Adding your products to cart

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.