Yoshimura RS-4 Stainless/Aluminum/Carbon Signature Slip-On Muffler (242932D320)
- RS-4 Offroad Slip-On Muffler
- Polyresonant duplex chamber and two-staged stepped baffle for increased performance
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Stainless steel tail-pipe
- Includes muffler assembly, tailpipe, sound insert(installed), spring puller tool, and mounting hardware.
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 2019-2020 | Kawasaki | KX250 | 4-Stroke |
| 2018 | Kawasaki | KX250F | |
| 2017 | Kawasaki | KX250F KX252AHF | |