This is a discussion on Anyone running the Pinebox link pipe on '09? within the Mechanical and Technical forums, part of the ZX6R Forum category; As the title says....
search for the actual pinebox site and theres a testimonial from a guy who just installed it on an 09 with a yosh rs4 exhaust which is exactly what i wanted to do! he said its a little louder and the butt dyno felt some kick i think... better low mid and top.. i think theres a guy on here with the same setup... hope this help!!!
My buddy has it on his 09 with a yoshi pipe. Fit was excellent. Easy to install. Saves a lot of weight. Really helped with the sound and again, the butt dyno approves it.
There is an ozzy guy on one of the other forums (not sure if he is on here) and is runnin the MGP growler with pinebox. In his video you can clearly see a considerable rise in volume. Check this video.