YOSHIMURA RS-4 SLIP-ON EXHAUST 19-23 CRF450X SS/AL/CF
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An evolution of Yoshimura's off-road exhaust system
Equipped with USFS-approved spark arrestors, forest-friendly noise levels and are tailpipe-emissions compliant
Marked with appropriate EPA noise emissions labels
Not tested for EPA noise levels
Delivers huge power at a very light weight
Uniquely-styled pentagonal muffler body with a carbon fiber cone end cap
Front cap design functions as a polyresonant chamber to lower dB output while improving mid- to top-end power
Two-staged, stepped baffle
Aluminum Muffler / Carbon Fiber End Cap
The Signature Series lineup is the answer for todays rider who is faced with a challenge. The applications for the Signature Series line cover the entire powersports spectrum, including many off-road applications. All Signature Series components are tested, documented, and marked as required by federal and state regulations.
Features:
- CARB/EPA tail-pipe emissions compliant
- All applications are marked with appropriate EPA noise emissions labels
- Certified by an independent laboratory for EPA noise compliance
- The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
- Pentagonal-shaped sleeve
- Stainless steel muffler sleeve for increased durability
- Two-stage stepped baffle
- Turn-down carbon fiber end-cap
- Stainless steel tail-pipe
- Series: Enduro
- Muffler Type: RS-4
- Muffler/End cap Type: AL/CF