What size exhaust should I run

[ProStreet68SB]

Originally Posted by baclay9

Wanted to bump this with my engine specs one last time for last minute opinions. I am ordering mufflers soon. I talked to the guy at the muffler shop and he acted like I was crazy for even considering 3".

go with your first choice, and run 2.5". 3" is absolute over kill, more than people will admit to on here. But I've been studying exhausts and what not for almost 10years now in search of power for different vehicles and 2.5 will be the most you need