Yoshimura RS-4S Offroad Stainless/Carbon Tip Full Exhaust System (234700D320)

The work that went into developing the RS-4 muffler design paid big dividends in 2010 with Ryan Dungey winning the AMA 450 Supercross and Motocross Championship series. That same 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.

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

Note: Image for reference only. Actual product may vary according to vehicle.