Motorcycle Parts › Pro Circuit

Pro Circuit R304 Shorty Aluminum Silencer (1151725)

Canister is made of lightweight 6061-T6 aluminum with brushed finish High-strength aluminum rivets and R-304 Shorty features steel Allen head screws for easy disassembly and repacking Double-walled mounting brackets Exclusive E-glass pillow packing PC... more

Pro Circuit Clutch Springs (CSY19250-CS)

Pro Circuit Clutch Springs (CSY19250-CS) more

Pro Circuit T-4 Slip-On Muffler (4QH99400)

Pro Circuit has built a reputation around our exhaust systems. It s at the core of our business. We offer Four-Stroke exhausts for all the popular motorcycles and ATVs. There are pipes and silencers for racing recreation quiet riding ...even... more

Pro Circuit Ti-6 Pro Full Exhaust System Titanium w/Carbon End Cap (0341845FP)

Improves performance Titanium construction throughout head pipe mid pipe and canister Carbon fiber end-cap construction Equipped with RC-4 Resonance Chamber Machined aluminum muffler bracket for increased strength and durability Asymmetrical muffler... more

Pro Circuit Factory Sound 304 Silencer for KTM 300 XC-W Six Days 2014-2016

The Pro Circuit Factory Sound 304 Silencer is designed for most types of riding and for riders that want a silencer similar to the R-304 but with a little less noise output and little more of the power near the top end of the rpms. more

Pro Circuit 304 Factory Sound Silencer Brushed Aluminum (SS93125-304)

Feature a longer midsection than the R-304 Shorty for stronger mid-to-high-RPM performance Excellent replacement for the OE silencer while offering impressive performance gains 6061 T-6 brushed aluminum housing Double-walled mounting brackets... more

Pro Circuit Ti-2 Shorty Carbon Fiber Slip-On Silencer/Muffler (1121425K)

Used by practically every PC-equipped motocross professional on the podium today Carbon Kevlar® silencers feature a carbon-Kevlar shell titanium tubing titanium end caps and high-strength aluminum rivets; optimum performance gains while reducing... more

Pro Circuit Type 296 Spark Arrestor Silencer for 19-20 Yamaha YZ85 (1331985)

TYPE 296 SPARK ARRESTOR SILENCER Meets U.S. Forest Service legal spark arrestor requirements while maximizing performance 96 db sound level meets U.S.F.S. requirements Specially engineered internal metal baffle chambers and sound-absorbing materials... more

Pro Circuit T-4 Slip-On Muffler (4Y00250)

Pro Circuit has built a reputation around our exhaust systems. It s at the core of our business. We offer Four-Stroke exhausts for all the popular motorcycles and ATVs. There are pipes and silencers for racing recreation quiet riding ...even... more

Pro Circuit Platinum Pipe for Suzuki RM65 2003-2005

If you re looking for a pipe that s close to doing it all the Pro Circuit Platinum Pipe provides outstanding low and mid range and an improved over rev. All thanks to a design that s based off the classic Works Pipe. more

Pro Circuit Platinum Pipe For Yamaha

If you re looking for a pipe that s close to doing it all the Pro Circuit Platinum Pipe provides outstanding low and mid range and an improved over rev. All thanks to a design that s based off the classic Works Pipe. Fits the following: Yamaha YZ125... more

Pro Circuit Factory Sound 304 Silencer for KTM 300 XC 2017-2018

The Pro Circuit Factory Sound 304 Silencer is designed for most types of riding and for riders that want a silencer similar to the R-304 but with a little less noise output and little more of the power near the top end of the rpms. more

Pro Circuit Ti-6 Full Exhaust System Titanium w/Carbon End Cap (0351725F)

Offering maximum performance while meeting AMA amateur noise requirements Ideal for closed-course or off-road racing Titanium construction throughout head pipe mid pipe and canister Carbon fiber end-cap construction Equipped with RC-4 Resonance Chamber... more

Pro Circuit T-6 Slip-On Silencer Stainless Steel (0131845A)

T-6 Stainless Slip-On Silencers are designed for a rider looking for an inexpensive easy-to-install durable performance silencer that can bolt onto their stock headpipe Constructed of stainless steel throughout the mid-pipe and end-cap while the... more

Pro Circuit Factory Sound 304 Silencer for KTM 300 XC-W Six Days 2017-2018

The Pro Circuit Factory Sound 304 Silencer is designed for most types of riding and for riders that want a silencer similar to the R-304 but with a little less noise output and little more of the power near the top end of the rpms. more

Pro Circuit Type 296 Spark Arrestor Exhaust Silencer/Muffler (SQY87350-296)

TYPE 296 SPARK ARRESTOR SILENCER Meets U.S. Forest Service legal spark arrestor requirements while maximizing performance 96 db sound level meets U.S.F.S. requirements Specially engineered internal metal baffle chambers and sound-absorbing materials... more

Pro Circuit Factory Sound 304 Silencer for Husqvarna TC 250 2016-2018

The Pro Circuit Factory Sound 304 Silencer is designed for most types of riding and for riders that want a silencer similar to the R-304 but with a little less noise output and little more of the power near the top end of the rpms. more

Pro Circuit R-304 Shorty Aluminum Silencer For Honda

The R-304 Shorty Silencer is Pro Circuit s go-to option for riders that want maximum power the best sound and a compact size for their track-oriented 2 stroke dirt bikes. Fits the following: Honda CR250 CR250R 2004-2007 more

Pro Circuit 304 Factory Sound Silencer Brushed Aluminum (SG18300-SE)

Feature a longer midsection than the R-304 Shorty for stronger mid-to-high-RPM performance Excellent replacement for the OE silencer while offering impressive performance gains 6061 T-6 brushed aluminum housing Double-walled mounting brackets... more

Pro Circuit Type 296 Spark Arrestor Exhaust Silencer/Muffler (1351125)

TYPE 296 SPARK ARRESTOR SILENCER Meets U.S. Forest Service legal spark arrestor requirements while maximizing performance 96 db sound level meets U.S.F.S. requirements Specially engineered internal metal baffle chambers and sound-absorbing materials... more

Pro Circuit T-6 Stainless Steel Full Exhaust System (0151745G)

Improves performance Stainless steel construction throughout head pipe mid pipe and end-cap Aluminum canister construction Equipped with RC-4 Resonance Chamber to reduce noise output Machined aluminum muffler bracket for increased strength and... more

Pro Circuit Type 296 Spark Arrestor Silencer for KTM 300 XC 2011-2016

In Pro Circuit s lineup the Type 296 is the silencer you ll want for riding in heavily regulated areas like public lands or forest trails where keeping noise down and running spark arrested are crucial. more

Pro Circuit R-304 Shorty Aluminum Silencer for KTM 300 XC 2017-2018

The R-304 Shorty Silencer is Pro Circuit s go-to option for riders that want maximum power the best sound and a compact size for their track-oriented 2 stroke dirt bikes. more