146500D520
Yoshimura NINJA 650 12-16 Race RS-4S Stainless Full Exhaust, W/ Stainless Muffler
$ 899.00
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A unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4S features a Polyresonant duplex chamber, a two-staged stepped baffle, and an innovative carbon fiber turn-out 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
- Stainless steel tail-pipe
Sound Insert/Spark Arrester Options
Sound LevelVolume Insert Spark Arrestor Included 
SA-13-K-1 No 
RS4S-INS-1
Yes 
No
Because One Upgrade Is Never Enough
