Pro Circuit

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...

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...

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...

Each water pump assembly has been CNC-machined from billet aluminum and is color anodized. The Pro Circuit Water Pump Impeller has been designed to increase the pumping capacity and pressure head to...

The T-6 Stainless Steel Exhaust System offers the same benefits as our popular Ti-6 Titanium Exhaust System, but the T-6 is constructed of stainless steel and aluminum for increased strength and...

The Ti-6 Titanium Exhaust System is designed to improve performance and power over previous designs. Constructed of titanium throughout the head pipe, mid pipe and canister, this is the ideal exhaust...

The Ti-6 Titanium Exhaust System is designed to improve performance and power over previous designs. Constructed of titanium throughout the head pipe, mid pipe and canister, this is the ideal 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...

Clutch covers are CNC machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation, which improves performance.

Clutch covers are CNC machined from T-6 billet aircraft-grade aluminum to improve durability and heat dissipation, which improves performance.

The T-6 Stainless Steel Exhaust System offers the same benefits as our popular Ti-6 Titanium Exhaust System, but the T-6 is constructed of stainless steel and aluminum for increased strength and...

Designed to suit the taller rider, the Pro Circuit top clamp and bar mount helps create more legroom by raising the handlebarsPerfect solution to prevent knees from smacking the bars, and it will...

Designed to suit the taller rider, the Pro Circuit top clamp and bar mount helps create more legroom by raising the handlebarsPerfect solution to prevent knees from smacking the bars, and it will...

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...