Yamaha WRF250X SM 2008-2011 Yoshimura Race RS-4S Slip-On Exhaust w/Stainless Muffler

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Yoshimura Race RS-4S Slip-On Exhaust w/Stainless Muffler

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 arrester insert
Stainless steel tail-pipe
Sound Insert/Spark Arrester Options
Sound Level
Volume Insert
Spark Arrestor
Included
SA-13-K
Yes
INS-18-K
No

Fitment Details

Yamaha WRF250X SM 2008
Yamaha WRF250X SM 2009
Yamaha WRF250X SM 2010
Yamaha WRF250X SM 2011

(YO-133002D520_1186)

SKU	YO-133002D520_1186
Barcode #	YO-133002D520
Brand	Yoshimura

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