Here's another few clips with a stock motor (~3 years ago) for you to ponder with dual 2 1/4in Flowmaster 40 Series. Generally larger pipes will have a deeper overall tone, whereas smaller pipes tend to be a bit "raspier".
Cameo > Sounds good BigPig455 > Cant seem to get it to work like I want, but if you go on www.krak.dk and press on the buttom that says "Kort", and then type in 5772 and press enter.. Then you can see the "city" i live in.. From me, to copenhagen there is 100 miles..