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 ...

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 ...

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, ...

The AT2 Race System bumps up power and torque while weighing half of the bike’s stock exhaust system. Many motorcyclists would agree that Yamaha’s CP4 engine – be it in the YZF-R1 or the MT-10 – is ...