Originally this post was about me asking for any link or info on cutting a Yoshimura rs3 pipe down to make it a short pipe. Well I just went ahead and did it anyways without even bothering to search anymore. And it turned out pretty good. Used handdrill with 3/16 bit, flathead screw driver, hammer, zipcut, pop rivets andrivet gun, razor knife, measuring tape and a sharpie marker. I cant really go much into explaination, but just work it out as you go. doesnt really take much with those tools and a couple hours.
Not sure about other pipes, i imagine most are very similar??
Heres a picture of my new short pipe on my gsxr600. and it sounds awesome