YOSHIMURA RS4E Full Exhaust System – Honda CRF 450 X/R

Yoshimura USA R&D has been directed to developing the current generation RS-4 — a unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap. The Enduro Series are all equipped with USFS-approved spark arrestor, forest-friendly noise levels, and are tailpipe emissions compliant.   Pentagonal-shaped sleeveFront muffler cap functions as a polyresonant chamber which helps reduce noiseTwo-stage stepped baffleAlu muffler & carbon fiber end-capA USFS spark arrestor is included