Yoshimura Exhaust Wr250r 08-20 / Wr250x 08-11 Race Rs-4 So Ss-Ss-Cf 133002d520

Championship winning RS-4 Slip-On exhaust. If you're looking for serious performance, you came to the right place.

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.

• 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
• Pre-installed spark arrestor insert
• Stainless steel tail-pipe

 To obtain technical information directly from Yoshimura, call (909) 628-4722.