PRO CIRCUIT

Advanced design ensures lightning-quick throttle response Extensively track- and dyno-tested Steel Allen head screws make repacking an easy task Exclusive E-glass pillow packing Includes...

Advanced design ensures lightning-quick throttle response Extensively track- and dyno-tested Steel Allen head screws make repacking an easy task Exclusive E-glass pillow packing Includes...

Improved power deliver and exhaust note Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel Tunable end caps allow for fine-tuning of power...

Improved power deliver and exhaust note Body is made from lightweight 6061 T-6 brushed aluminum and the end cap and intake tube are stainless steel Tunable end caps allow for fine-tuning of power...

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque...

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque...

Designed to be used with OEM stock head pipes or Pro Circuit head pipes Ultra-responsive performance Incredible horsepower gains when compared to stock Developed to increase the horsepower and torque...

Offers huge performance gains Can be used for racing or recreation and can bolt onto the stock head pipe or one of Pro Circuit's replacement head pipes in minutes Comes equipped with a removable USFS...

Offers huge performance gains Can be used for racing or recreation and can bolt onto the stock head pipe or one of Pro Circuit's replacement head pipes in minutes Comes equipped with a removable USFS...

Replacement Pro-Circuit exhaust decals help keep your muffler looking fresh

Replacement Pro-Circuit exhaust decals help keep your muffler looking fresh

Designed for optimum performance Advanced RC-4 resonance chamber to reduce noise output Asymmetrical muffler configuration maximizes packing volume to ensure sustained performance Removable U.S.F.S...