'ello, digi check this out :
Yamaha 2002 YZF-R1
Slip-on exhaust prototyping and testing were completed recently. Yoshimura RS-3 and TRS Tri Oval slip-on systems are currently in production.
Orders yours now from your local Yoshimura dealer or check our online store in a few weeks.
Full system exhausts are under development and testing at this point. Be sure to check back here for the latest update.