YOSHIMURA RS-4 OFF-ROAD FULL SYSTEM EXHAUST 18-22 YZ450F SIGN SS/AL/CF
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All Signature series exhaust are tested, documented and marked with appropriate EPA noise emissions labels
Delivers huge power at a very light weight
Offers better handling thanks to a lower centralized mass coefficient
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
Tapered headpipe delivers optimal flow and performance
Stainless systems come with 94 dB insert installed (meets AMA competition requirements), 2 meter Max insert in the box
Stainless Steel Header / 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
- RS-4 - a unique design that provides an unrivaled combination of power and a quiet exhaust note. The RS-4 features a Polyresonant duplex chamber, a two-staged stepped baffle and an innovative carbon cone end cap.
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Series: Signature
- Muffler Type: RS-4
- Header/Muffler/End Cap TYPE: TI/TI/CF