Yoshimura RS-4 Stainless Slip-on Muffler 2008-17 Suzuki RMZ450 | 219202D320 Tube Direct inject

Direct inject

Bio-mechanical lateral “flexi-blade” system provides excellent front and rear movement while offering support and protection to the ankle

WR 250R/X 2008-2020

The piston dome is too tall and will hit causing damage to your engine

Stock muffler: 13

Yoshimura RS-4 Stainless Slip-on Muffler 2008-17 Suzuki RMZ450 | 219202D320 Tube Direct injectFitment: Suzuki RM Z450 2008 2017 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