Akrapovic Yamaha R1 15-26 Optional Link Pipe (Stainless Steel) - L-Y10SO17Designed 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 machines potential. Link pipe collector can also be mounted on YZF R1M model. For perfect performance, throttle response, and durability, special mapping developed by Akrapovic R&D