Yoshimura Inox RS4 Complete Exhaust System Yamaha YZ 450 F 18-19 WR 450 F 19-20

Yoshimura Inox RS4 Complete Exhaust System

Now there can be more power to rip holeshots, yet making the bike user-friendly at the end of the moto when your right-hand gets a little frisky. The new Yoshimura RS-4 Signature Series full system adds 2.8% more h.p. and 1.4 ft-lb. more torque to give the rider a better, more linear throttle response.

• Proudly made in the USA!
• Stainless steel header and tail-pipe.
• This product was designed to fit on a standard-equipped motorcycle, as delivered from the factory. OE and Aftermarket accessories not found on a bike as delivered from the factory, may not be compatible with this product.
• Attention International Customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility including fitment and performance may vary by the marketplace.