Hand made titanium race systems developed with countless hours of dyno and race track testing Cone style endcap Slotted muffler clamp with high temperature flexible heat liner Standard and high exit systems are available for select applications Select systems feature duplex crossover tubes attached to the header for maximum throttle response and better midrange performance This product can be used with Model Year Part# Yamaha YZFR6S 2006 TOCECSO-1 Yamaha YZFR6S 2006 TOCECSO-2 Yamaha YZFR6S 2006 TOCECSO-3