My 2008 R6 with a freshly installed Yoshimura R-55 full system! About 16,000km's on my bike, 6km's on the new exhaust. Stock air filter, map, etc. Nice deep sound at idle, really screams when you twist it and rip it! The internal baffle is removed (neat little rubber plug on the back of the carbon fiber endcap, just pop it out, remove one allen screw, and out comes the baffle!). After removing the baffle it idles a little rougher then stock. I can REALLY feel the power difference over 11k RPM!!! Sweeeet. -
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