70ss 396 exhaust [Archive] - Chevelle Tech

: 70ss 396 exhaust


supersport396
Nov 1st, 99, 5:18 PM
I would like to know if i switched the 21/2 exhaust for 3" if it would gain any performance or cause problems. The engine is a built 396 with 400hp.

Larry
Nov 1st, 99, 6:12 PM
It would most likely be whole lot louder. IMO, performance gains would be minimal, if any at all. 3" would be overkill for that engine.