The zzp header looks identical to pace setter minus the flange instead of the sock.

The zzp of course has a ton more options and is very bang for buck, if i had to do it all over again i would most def get zzp just with grade 8 bolts, lol

 

Can anyone explain why longer primaries are better? And if they are better throughout the entire rpm range?

 

its not so much the fact of having longer primaries its making the primaries close to the same length which is extremely hard to do with a short tube header.

 

nice writeup on the exhausts should be geting one sometime n thefuture myself and i like he zzp stuff alot

 

same thing happened to me, both bolts ZZP supplied snapped within 3 miles and the DP dropped from the header and sounded like a V8 truck on crack.

 

i think they are sending out different bolts because mine are fine and they looked to be a goldish color.