2.5 complete exhaust VS a 3.0 complete exhaust

Go to the link posted below an listen to my muffler setup for an idea.
415 smallblock stroker, cam is 241/247 duration 545 lift, dougs headers, 2.5 inch pipes to the bumper with an X-pipe. I love my setup, and i'm completly happy with 2.5 inch, and I think you would be as well.

http://www.forabodiesonly.com/mopar/showthread.php?t=151806