Slobrd,
I have a .030 over 455 with 2 1/2" exhaust and the Dr. Gas X pipe. With no other changes,changing from an H pipe, I gained 2 tenths and 2 mph. That was without even lifting the hood. i am running Walker Race Magnum mufflers, and it has a gereat sound. I had FlowMasters before and they had a 'tinny rattle' sound.
|