Two Brothers Racing’s new S1-R exhaust for the equally new Yamaha FZ-09 makes an already lightweight sports machine even lighter. The exhaust canister is created of carbon fiber, and the internal sound-reduction core features a lightweight spiral-sound design. Suggested retail is $1189.98. For more information, contact Two Brothers Racing, Dept. RW, 401 S. Grand Ave., Santa Ana, CA 92705, (714) 550-6070, www.twobros.com.