"With the release of the most MotoGP-inspired Yamaha R1, the line between Superbikes and MotoGP bikes has officially been blurred. Yamaha's engineers and designers incorporated into this R1 never before seen concepts and designs to create the machine that, in the pass, only factory racers could ever experience. With the Akrapovic Exhaust System, you can take your R1 to the limit of power and sound and unlock the potential of the crossplane engine."