Exhaust

The original Pro Circuit Works pipe offers unparalled performance and power for every two-stroke application. Increased horsepower and torque gains will quickly be noticed across the entire rpm range. The unplated, oiled metal finish requires some...

The compact design of the R-304 Silencer offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the silencer.

The compact design of the R-304 Silencer offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the silencer.

The compact design of the R-304 Silencer offers optimum performance gains and is recommended for closed-course racing only. Hex head screws are used to secure the inlet cap and can be removed easily for quick re-packing of the silencer.

Carbon, Fiberglass and Dupont™ Kevlar® composites for super high impact strengthOur special blend of high temperature resins for long life and high strengthHi-strength clear coat for great looking carbonSpecial DEI Hi temp Coating on under side to resist...

Extruded from aircraft 6060 T6 alloyCompletely repackableMaximum performance, minimum noiseFits stock pipes as well as aftermarket pipes

Extruded from aircraft 6060 T6 alloyCompletely repackableMaximum performance, minimum noiseFits stock pipes as well as aftermarket pipesShorty silencers available for late model bikes to improve low-end thrust

Extruded from aircraft 6060 T6 alloyCompletely repackableMaximum performance, minimum noiseFits stock pipes as well as aftermarket pipesShorty silencers available for late model bikes to improve low-end thrust

For an all-around power increase throughout the power range!All pipes are electro-nickel plated for a non-chip finish that will not discolor except the Factory pipe which has hand pounded welds and no coating—just like the works bikes

For an all-around power increase throughout the power range!All pipes are electro-nickel plated for a non-chip finish that will not discolor except the Factory pipe which has hand pounded welds and no coating—just like the works bikes

For an all-around power increase throughout the power range!All pipes are electro-nickel plated for a non-chip finish that will not discolor except the Factory pipe which has hand pounded welds and no coating—just like the works bikes

Replacement Yoshimura parts and packing keep your Yoshimura exhaust performing at its peak performance.Replacement Low-Volume Insert Kit for RS-12 MufflersNon-Spark ArrestedAvailable as optional kit on applications requiring different sound...