Pro Circuit T-5 Full System 0111311GJust 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. The T 5 stainless Race System was designed for durability, demanded by off road racers and recreational riders. The race system also comes with our RC 4 resonance chamber to help reduce noise output. Features Included: Lightweight and durable RC 4 resonance chamber helps to reduce noise output New machined