
Originally Posted by
BLK JDM
He's saying he has the stock Yamaha R1 mufflers punched out w/ race baffles. Sounds and performs almost like a slip on. It's a common mod among R1 owners. Actually pretty easy and cheap b/c R1 exhaust parts are very expensive compared to other Jap. bikes. I had full stainless steel Termignoni then swapped out to a full race spec titanium Akrapovic. The bike was an absolute beast!!