[titan194]

I have a 331 stroker, AFR 185cc heads, compcams extreme energy cam(XE 274 HR) and a Speed Demon 650 carb. Looking to push around 450 Horespower. What size exhaust pipes should i be using?

 

[mikemustang289]

2 1/2

 

[dennis112]

Another vote for 2 1/2".

 

[wcj56]

another for 2 1/2"