YOSHIMURA offers you this complete exhaust system with dual muffler for your motocross YAMAHA YZF 450cc. This exhaust called RS4 is sold with a titanium exhaust manifold with a carbon silencer, carbon tip. Why a titanium manifold? Simply because it is lighter than stainless steel, while being just as resistant. It has been tested for more than 24 months in competition to ensure unparalleled performance and longevity. The diameter of the manifold is specially designed to allow as much evacuation as possible from your engine. This increases the performance of your motocross bike compared to the original exhaust system. This pack includes a carbon 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 YZ 450 F (CJ22) 450 2018

YAMAHA YZ 450 F (CJ23) 450 2019