GMMG is allways music to my ears:
here are a couple vids where you can hear it at WOT on spray....this is cam only through long tubes and no cats.
http://www.youtube.com/watch?v=v2gbT06aj4Q
when ya watch this vid...just wait for it....
http://www.youtube.com/watch?v=YDw5MvKjhEg
ill post some new vids of what it sounds like with a 402 and twin turbos....im loading them tonite and ill post up tommorrow.