The Racing Line is a complete system with a new muffler shape made from lightweight high-grade titanium Has headers constructed from stainless steel and a handmade carbon-fiber end cap Has increased top-end power and mid-range torque levels, with improved engine response for enhanced rideability and a huge weight saving of over 26% on stock No remapping is required and it is easy to fit. EXHAUST SS/TI/CF MT-07