Straight from Japan!!

The R-11Sqis back!This system features Yoshimura Japan’s revolutionary R-11Sq muffler developed on racing technology fromtheir Superbike and endurance racing efforts. With it’s sharp lines and unique styling,the R-11Sq isbound to turn heads in the paddock.

The exhaust portion features master-crafted Titaniumconstruction, exquisitely TIG welded and purged for maximum strength and air flow. The entire system shaves 14lbs off the stock system, offeringhuge gain in performance.

This system is a work of art and the sound is even more exhilarating.

CAUTION!!!

If thissystem is installed withStandard ECU on Race Bike, use EXHAUST VALVE STOPPER PLATE to avoid FI error.

*These two parts are REQUIRED when using this Racing Full System with STANDARD ECU.

• Exhaust Valve Stopper Plate (P/N : 11600-CKRPLT)
• O2 Sensor Extension Cable (P/N : B6449)

Optional Part:

• RACING ECU SET (P/N : 490-50A-3000)
• Exhaust Control Valve Canceller is not necessary when using Racing ECU

FOLLOW AND COMPLY EACH RACE REGULATION TO USE.
THE PRODUCT HAS BEEN DEVELOPED FOR CLOSED-COURSE RIDING OR COMPETITION USE ONLY AND IS NOT INTENDED TO BE USED ON PUBLIC ROADS.

Know youre racing with the best.

Yoshimura R&D is theonlyauthorized 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, youre getting a custom exhaust thats perfect for racing in the US market.

What your missing if you dont buy U.S. spec through us!

• In-house warranty and technical support
• Certificate of authenticity
• Full 12-month warranty