Thinking about gmpp manifold

[09balt]

Anybody on here used the gmpp extrude manifold on there 2.2 and if so have you taken it to the dealer and did they say anything?

 

[cobalt123]

I would get another aftermarket header over the gmpp manifold because it's basically a Lsj header thats been ported

 

[09balt]

Is there much of a difference with it on

 

[Jmesl8er]

got a pacesetter header on mine, I could tell a difference for sure, and yeah just get an aftermarkert header, forget that factory stuff

 

[09balt]

I'm thinking about the actory one because if i have any major problem with the car i dont want the dealer to care about it

 

[Jmesl8er]

I'm thinking about the actory one because if i have any major problem with the car i dont want the dealer to care about it

Mine's paid for so I don't have to worry about that, got the header, 3" straight pipe, with no cat or resonator, to the muffler, with the airbox mod and a trifecta tune and I could tell a gigantic difference

 

[sfwg]

zzp hands down best bang for buck

 

[09balt]

I'm actaually planning on getting headers pretty i just dont want chevy breathing down my neck

 

[sfwg]

? u worried bout warranty? no part can void your warranty unless the dealership can prove that your aftermarket part caused the problem

 

[09balt]

Looks like i'm goin with a pair of headers but which kind to get

 

[sfwg]

zzp

 

[YelloEye]

If you buy a pair...you have issues....there is only 1 exhaust manifold on a 4-cyl motor.

 

[09balt]

I meant 1 lol dont worry

 

[cobalt123]

Get either vibrant or zzp

 

[09balt]

A friend of mine that has an supercharged ss told me to go with zzp. So whats the big deal about extruded honed manifolds?

 

[Cobalt Tom]

te gmpp manifold just doesnt give you the flow. an aftermarket header will do what your looking for
I have the OTTP longtube and love it.

 

[09balt]

So basically with the gmpp header did they just bore out the ports to make it bigger and for more gas to exit from it?

 

[YelloEye]

Here is what they do: Abrasive flow machining - Wikipedia, the free encyclopedia

 

[09balt]

Now i see

 

[sfwg]

just get a zzp and b happy dont get ottp they suck at shipping stuff o btw ne on wanna buy a ottp hardcore bar?