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 Level
|
Volume Insert | Spark Arrestor | Included |
 |
SA-13-K-1 | No | |
 |
RS4S-INS-1 | Yes | |
 |
INS-18-K |
No |
