The Racing Line is a complete system with a racing look muffler shape made from lightweight high-grade titanium It has headers constructed from stainless steel. It has increased top-end power and mid and high-range torque levels, with improved engine response for enhanced rideability A deeper, sportier sound enhances the overall enjoyment. It is EC/ECE type-approved Catalytic converter is included within the system No remapping is required and it is easy to fit. EXHAUST ECE YZF-R7