Designed exclusively for use with the titanium Slip-On Line muffler, this optional lightweight titanium link pipe will transform the exhaust and take the Yamaha R1 to a higher performance level. Providing more power and increased torque, the link pipe makes full use of the machine’s potential.Link pipe/collector can also be mounted on YZF-R1M model.For perfect performance, throttle response, and durability, special mapping developed by Akrapovi? R&D in collaboration with our partner Rapid Bike by Dimsport is recommended. Please visit https://www.dimsport.us/en/rapid-bike/akrapovic/, where you can download the mapping.THIS PRODUCT DOES NOT MEET EMISSION COMPLIANCE REQUIREMENTS FOR STREET OR HIGHWAY USE.