Originally Posted By AndyF
My pump gas 470 makes 700 hp with 2 inch headers on the dyno. I tried a set of 1 3/4 headers to see what would happen and it still made 690 hp.


Ouch!

I just upgraded from 1 3/4 to 1 7/8 to make a touch more power.

Wanted ceramic coated anyways! lol!




"I think its got a hemi"