Competition Werkes Yamaha R1 Slip-On De-Cat Exhaust System (2015 & Up)

The premier manufacturer of sport bike accessories including Fender Eliminator Kits, Exhaust Kits, Lighting, Footpegs, and many other accessories shipped around the world.
Made in the USA
Includes new Y pipe and deletes lower exhaust canister.
Werkes exhaust trims off over 13 lbs of weight!
FOR CLOSED COURSE COMPETITION USE ONLY. NOT INTENDED FOR STREET USE, LEGAL IN CALIFORNIA ONLY FOR RACING VEHICLES WHICH MAY NEVER BE USED, OR REGISTERED OR LICENSED FOR USE, UPON A HIGHWAY.