Exhaust

If you are looking for an inexpensive, easy-to-install, durable performance silencer that can bolt onto your stock head pipe, then look no further. The T-6 Stainless Steel Slip-On Silencer is constructed from aluminum and stainless steel while offering...

The T-4 System is a tunable version of our more exotic Ti-4R System. RC-4 Resonance Chamber has been added to the head pipe to reduce noise. (The RC-4 Resonance Chamber, depending on year of your bike, might not come with the system.)

Pro Circuit Spark Arrestor T-5 & T-6 60002

Pro Circuit Re-Pack Cartridge 14" X 3.5 Replacement Part R3-1014

Pro Circuit Re-Pack 9" X 3.5" Replacement Part R3-1009

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.

Unparalleled performanceIncrease in horsepower and torque gains will be noticed across rpm rangeElectroless nickel plating increases part life 2-10x longerStamped AKDQ high quality carbon steelHand welded and pounded seamsNot legal for use in California...

Unparalleled performanceIncrease in horsepower and torque gains will be noticed across rpm rangeElectroless nickel plating increases part life 2-10x longerStamped AKDQ high quality carbon steelHand welded and pounded seamsNot legal for use in California...

Unparalleled performanceIncrease in horsepower and torque gains will be noticed across rpm rangeElectroless nickel plating increases part life 2-10x longerStamped AKDQ high quality carbon steelHand welded and pounded seamsNot legal for use in California...

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 Ti-2 is similar to the popular R-304 Silencer except it is constructed with a Carbon DupontÖ Kevlar« shell, Titanium tubing and end caps. The Titanium and Carbon DupontÖ Kevlar« construction offers the ôFACTORYö look and appearance while reducing...