was wondering if anyone could tell me if this pipe will be ok on a 30 cc engine www.ozrcboatsupplies.com/pipesexhaust.htm, its the super tuned quiet pipe by joe petro. I am leaning towards this pipe because it uses a clamp to attach to the header, i am sick of leaking o rings, any advice would be much appreciated :)

You can't go wrong with Zip Kit's Pipe! I'm running 3 of then in stock motors and full modifieds, have not burned a o-ring out this year. Also get Zip's water cooled exhaust flange.
www.zippkits.com