*Product may vary by application
Emissions Compliance Declaration: QUALIFIED MANUFACTURER DECLARED "REPLACEMENT PART"
WARNING: Cancer and Reproductive harm - www.p65warnings.ca.gov
The work that went into developing the RS-4 muffler has paid big dividends in Off-road Racing; winning multiple Supercross and Motocross titles since it's inception. We've developed the current generation RS-4 based on that research & development, and the result is a unique design that provides an unrivaled combination of power and quiet exhaust tone. The RS-4 features a Polyresonant duplex chamber and two-staged stepped baffle for increased performance, while a carbon cone end cap finishes off its innovative styling.
- Pentagonal-shaped sleeve
- Front muffler cap functions as a polyresonant chamber which helps reduce noise
- Two-stage stepped baffle
- Carbon fiber end-cap
- Titanium header and tail-pipe
- Repack Kits, optional Inserts and Spark Arresters are available for all models
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Resource limitations have made it difficult for Yoshimura R&D to maintain consistent Titanium exhaust system inventory. We are not taking orders for this item at this time. You can always call us at 1-800-634-9166 to get an ETA for your system. Thank you for your patience!
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This product was designed to fit on a standard equipped motorcycle, as delivered from the factory. OE and aftermarket accessories not found on a bike as delivered from the factory may not be compatible with this product.
Attention international customers: This product was designed and tested to be compatible with vehicles in the U.S. marketplace only. Compatibility, including fitment and performance, may vary by marketplace.