YOSHIMURA offers you this complete exhaust system for your motocross YAMAHA YZF 450cc and YAMAHA WRF 450cc. This exhaust called RS4 is sold with a stainless steel exhaust manifold with an aluminum silencer, carbon tip. It has been tested for more than 24 months in competition to assure you unmatched performance and longevity. The diameter of the manifold is specially designed to allow as much exhaust as possible from your engine. This increases the performance of your motocross bike compared to the original exhaust system. This pack includes an aluminum muffler with carbon tips combining lightness and reliability. The quality of this product is impeccable. The finish is excellent. It is FIM approved.

Fits on :

YAMAHA WR 450 F 450 2021

YAMAHA WR 450 F (RE45) 450 2020

YAMAHA WR 450 F (RE45) 450 2019

YAMAHA YZ 450 F (CJ22) 450 2018

YAMAHA YZ 450 F (CJ23) 450 2019