Yoshimura / ヨシムラ USA WR450F 12-15 RS-4 Stainless Full Exhaust, W/ Aluminum Muffler | 234700D320

Article Code: 234700D320
EAN: 0840025903029

The RS-4 offers a unique design that provides an unrivaled combination of power and a quiet exhaust note.
The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.

Pentagonal-shaped sleeve
Front muffler cap functions as a polyresonant chamber which helps reduce noise
Two-stage stepped baffle
Turn-out carbon fiber end-cap
Stainless steel header and tail-pipe

Repack Kits, optional Inserts and Spark Arresters are available for all models