Yoshimura of America is proud to release the R-11sq muffler from Yoshimura Japan! If you want a distinctive and unique look, then R-11sq is for you. As seen on World Superbikes, the R-11sq systems are limited, so don't wait.
Style - Beautiful Shape resulting from Triangle Tapered Design
Quality - Made in Japan
Performance - Optimized for maximum flow and improved ground clearance
Sound - Muffler volume and shape produces that magic tone Yoshimura is famous for
Service - Optimized for durability and ease of service
*RACING ECU SET is recommended to install this racing exhaust system.
**If using FACTORY ECU, use the Exhaust Control Valve Canceller included with this system to avoid FI error.
Know you’re racing with the best.
Yoshimura R&D is the only authorized distributor in North America for our sister companies Yoshimura Japan (YJP) and Yoshimura Asia (YAT). YJP/YAT develop and test racing components that are un-restricted versions than the choked-down systems which are required for more restrictive marketplaces like Japan and Europe. This imported product is specially configured for less restrictive markets. In other words, you’re getting a custom exhaust that’s perfect for racing in the US market.
What your missing if you don’t buy U.S. spec through us!
- In-house warranty and technical support
- Certificate of authenticity
- Full 12-month warranty
Instructions and Parts Diagram
Instructions / Parts Diagram