Yoshimura (one of the largest performance aftermarket sportbike exhaust producer) announced three new products available for the 2009 Yamaha R1: the R-77 Slip-on, an updated TRC-D, and Case Savers. It ...

Yoshimura has introduced the Alpha-T, their latest and lightest 3/4 race system for the Yamaha R1. Developed using feedback from racers around the world including the Westby Yamalube team, the ...

Which is better: Stock, aftermarket, or no muffler at all? We took our R1 test bike to the Dyno room to find out.Animated GIF by Kathleen Conner Wrist: Zack Courts MSRP (2015): $16,490 Miles: 3,082 ...

As you all know, there is no better way to make yourself heard and noticed on the road than with a good muffler. After offering new exhausts for Yamaha’s YZF-R1, Yoshimura couldn’t leave Honda aside, ...