YOSHIMURA RS-4 SLIP-ON EXHAUST 19-21 KTM/HUSQ 450 SIGN RS-4 SO SS/AL/CF
Fast Shipping! Directly from our central warehouse in Alberta, Ontario, and Quebec
All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels
Deos not require changing the motorcycle's emissions control systems
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: Signature
- Muffler Type: RS-4
- Muffler/End cap Type: AL/CF