YOSHIMURA RS-4 SLIP ON EXHAUST 08-18 WR250R/X RS4S SO SS/AL

FOR CLOSED COURSE COMPETITION ONLY; NOT INTENDED FOR STREET USE

This exhaust systems is designed with nothing but power in mind

Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide

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 tail-pipe

If youre looking for that competitive edge, look no further than the Race Series. These exhaust systems are designed with nothing but power in mind. Each Race Series system is developed in accordance with noise compliance regulations imposed by most racing sanctioning bodies worldwide.

Features:

• All applications are marked with appropriate EPA noise emissions labels
• Has not been tested for EPA noise compliance
• The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
• Pentagonal-shaped sleeve
• Front muffler cap functions as a polyresonant chamber which helps reduce noise
• Laser-cut heat shield on polyresonant chamber
• Two-stage stepped baffle
• Turn-out carbon fiber end-cap
• Stainless steel tail-pipe
• Series: Race
• Muffler Type: RS-4
• Muffler/End cap Type: SS/CF