Out of all the times we've been to the dyno, this has got to be our favorite moment. Both of our Yamaha R1/R1M projects were on the dyno, spitting huge flames and putting up astounding numbers! The Akrapovic WSBK Super-stock spec full titanium exhaust really opened up the Motomillion R1M, and we had our 60th Anniversary R1 put down similar numbers to confirm our results! Is Akrapovic the best exhaust for the Yamaha R1/R1M?! We'll let you guys decide that in the comments, but at the very least we