kawasaki superchicken

Looking for a pipe for the 750 swap on my superchicken. Ideally a Coffman 650 pipe but I've read I can manage to make pretty much any Kawi sitdown AM pipe work... AM 750 ss, ssxi, sts, coffman 650 or TS pipe (advice is also welcome as I'm painfully aware of my lack of knowledge on anything...

Hey Everyone, So I recently purchased a Super chicken and am looking to add some more power to it but not really sure what will work with minimal modifications. I want to put the biggest motor possible in it to get the most speed! haha Has anyone done this or have any advice? I am trying to...