YOSHIMURA RS-4 Signature Series Muffler Aluminum/Carbon End Cap Yamaha YZ450F 36mm Standard Compression Beta RR250

36mm Standard Compression Beta RR250

Pro Series Armalite Sprocket Features:

Disperses moisture to prevent rust and corrosion

for superior durability and better mileage

covers the cases

YOSHIMURA RS-4 Signature Series Muffler Aluminum/Carbon End Cap Yamaha YZ450F 36mm Standard Compression Beta RR250In addition to their aesthetics, the Yoshimura USA RS 4 Muffle are at the cutting edge of exhaust technology. A high performance muffler that optimizes the power output of your machine Product is a direct result of MX World and US championship development 2 cores inside the RS 4 muffler: double sound absorption and reduced adverse effects caused by exhaust gases Muffler fabricated from aluminium stainless with carbon end cap