Pro Circuit

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,...

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,...

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,...

Replacement pro-circuit exhaust decals help keep your muffler looking fresh

Replacement pro-circuit exhaust decals help keep your muffler looking fresh

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...

Just like our ti-5 titanium exhaust system, the t-5 produces the same results except that the t-5 is constructed of stainless steel and aluminum for increased strength and durability.This system also...