Yoshimura Race R-77 SS Full Exhaust For BMW G310 R/GS 18-20The growing 300cc entry level bike offerings are amazing these days. Take the brand new BMW G 310 R, a stunning bike that is ripe to go racingenter Yoshimura R&D. We took our race bred R 77 profile and tuned it to the new Beemers 310cc single cylinder performance needs. The end result is a Race Series system that creates 4. 9% max HP and 5. 6% max torque, while dropping over half the weight of the stock system! All with our durable Works Finish that