Yoshimura now makes that fun go further on the Suzuki V-Strom 650 with a Race Series 3/4 system, made with nothing more than performance in mind. Yoshimura developed an R-77 muffler, a potent power producer that puts out power and an incredible exhaust note. Then, the company added a Works Finish to complete the look on the V-Strom. A weight savings of seven pounds from the stock unit and a HP gain of 5 percent max and a torque curve that adds 6 percent max to the Suzuki Adventure machine.
Link: Yoshimura