Pro Circuit

Silencer from Pro Circuit

Pro Circuit T-4 4-Stroke Silencer

Auto Part #: Silencer
Designed to boost output throughout the powerbandLighter than stockExtruded 6063 aluminum silencer resists oxidation and features long-lasting packing materialQuick access to the U.S. Forest Service-Approved screen spark arrestor through removable... more

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Starting At
$1.00

PH89500P from Pro Circuit

1989-2001 Honda Cr500: Pro Circuit Pipe Platinum

Auto Part #: PH89500P
The Platinum pipe is a unique fusion of power, elegance and utility that pushes the boundaries of the sports riding pleasure.

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Starting At
$206.95

SH00250RE from Pro Circuit

Pro Circuit R304 Shorty Silencer SH00250RE

Auto Part #: SH00250RE
A favorite of PC-equipped motocross professionals everywhereRace-only silencer features a short body and reduced packing volume to optimize exhaust flowLightweight extruded 6061 T-6 aluminum body with brushed finishStainless-steel end cap and... more

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Starting At
$40.00

0321245F from Pro Circuit

Pro Circuit Ti-5 4-Stroke Race System with Carbon Fiber End Cap 0321245F

Auto Part #: 0321245F
"Designed for optimum performance while still meeting 2012 AMA 2-Meter Max sound requirementsSystems feature titanium construction throughout muffler can, header and mid-pipe, and have a carbon fiber end capAdvanced RC-4 resonance chamber to... more

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Starting At
$311.00

4Y00125 from Pro Circuit

2000-2009 YAMAHA TTR125L: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4Y00125
It gives the rider instant hook-up under power.

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Starting At
$225.21

4H06150 from Pro Circuit

2006-2009 HONDA CRF150F: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4H06150
It gives the rider instant hook-up under power.

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Starting At
$237.91

4S03125 from Pro Circuit

2003-2009 SUZUKI DRZ125L: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4S03125
It gives the rider instant hook-up under power.

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Starting At
$206.07

4K02110 from Pro Circuit

2002-2009 KAWASAKI KLX110: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4K02110
It gives the rider instant hook-up under power.

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Starting At
$229.29

T-Shirt from Pro Circuit

Pro Circuit Grunge SS T-Shirt

Auto Part #: T-Shirt
T-shirts with style to burn100% cotton with screened graphic

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Starting At
$6.00

PY05125 from Pro Circuit

Pro Circuit Works Pipe PY05125

Auto Part #: PY05125
"Perfect choice for those who want factory-level high-performance featuresDesign conforms to the natural shape of the motorcycle for superior fit and performanceYields increased horsepower and stronger throttle response throughout the entire rpm... more

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Starting At
$193.87

4H03230 from Pro Circuit

2003-2009 HONDA CRF230F: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4H03230
It gives the rider instant hook-up under power.

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Starting At
$77.18

4H04650 from Pro Circuit

Pro Circuit T-4 4-Stroke Exhaust System w/Headpipe 4H04650

Auto Part #: 4H04650
"Owned and operated by Mitch Payton, Pro Circuit is a custom precision engine and suspension building facility. Pro Circuit's owner has invested over 25 years in engine building and machine shop techniquesDesigned to boost output throughout... more

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Starting At
$540.31

SH93125SE from Pro Circuit

Pro Circuit 304 Factory Sound Silencer SH93125SE

Auto Part #: SH93125SE
Designed with a longer midsection than the Shorty for noise-conscious ridersIdeal replacement for the OEM silencer while offering impressive performance gainsFeature 6061 T-6 brushed aluminum housing with 304 stainless steel intake... more

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Starting At
$104.06

4H03150 from Pro Circuit

2003-2005 HONDA CRF150F: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4H03150
It gives the rider instant hook-up under power.

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Starting At
$150.00

4QH06450 from Pro Circuit

2006-2009 HONDA TRX450R: PRO CIRCUIT T-4 COMPLETE EXHAUST

Auto Part #: 4QH06450
It gives the rider instant hook-up under power.

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Starting At
$352.51

1051125 from Pro Circuit

Pro Circuit 304 Factory Sound Silencer 1051125

Auto Part #: 1051125
Designed with a longer midsection than the Shorty for noise-conscious ridersIdeal replacement for the OEM silencer while offering impressive performance gainsFeature 6061 T-6 brushed aluminum housing with 304 stainless steel intake... more

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Starting At
$84.23

4H10250GP from Pro Circuit

Pro Circuit T-4 GP Low Boy 4-Stroke Exhaust System 4H10250GP

Auto Part #: 4H10250GP
"Complete system from front to backT-4 GP system features an aluminum canister and high-grade stainless steel mid-pipePacked with performance features tailored to the demands of serious racers and developed to lower and centralize the machines... more

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Starting At
$636.16

4S09250GP from Pro Circuit

Pro Circuit T-4 GP Low Boy 4-Stroke Exhaust System 4S09250GP

Auto Part #: 4S09250GP
"Pro Circuits newest systems offer top-of-the-line performance and powerComplete systems from front to backT-4 GP systems feature an aluminum canister and high-grade stainless steel mid-pipePacked with performance features tailored to the demands... more

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Starting At
$636.16

4H10250-TI-GP from Pro Circuit

Pro Circuit TI-4 GP Low Boy 4-Stroke Exhaust System 4H10250-TI-GP

Auto Part #: 4H10250-TI-GP
"Complete system from front to backTI-4 GP system features high-quality grade-two aerospace titanium throughout to provide huge weight savings and unique highlightsPacked with performance features tailored to the demands of serious racers and... more

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Starting At
$750.36

0161025B from Pro Circuit

Pro Circuit T-4 GP Low Boy 4-Stroke Exhaust System 0161025B

Auto Part #: 0161025B
"Pro Circuits newest system offers top-of-the-line performance and powerComplete system from front to backT-4 GP system features an aluminum canister and high-grade stainless steel mid-pipePacked with performance features tailored to the demands... more

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Starting At
$619.98