[motornut]

Originally Posted by mattpiotr

im running flowmaster original 40s im getting sick of the headers always leaking or spark plug getting burnt, id like to switch to manifolds but i really dont want to loose that good sound? will i really notice that much of a difference in sound and performance? its on a 350 v8

I just put on 40s @2.25,changed to duals using manifolds,H pipe,on a 305,sounds good
I did grind out those nibs in the manifolds