Take a look at DemonSVT's website. He explains everything down to the nitty-gritty. It's definitely a great reference tool for people doing ANY of the mods he's performed. I can't tell you what his car sounds like with that setup, but can assure he's reached it's full potential in exhaust flow with his, dare I say it, anal(and I say that in a good way
) attention to detail.
Mark
