2.2L L61 Performance Tech 16 valve 145 hp EcoTec with 155 lb-ft of torque

GMPP Manifold question (new question)

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Old 09-02-2009, 08:03 PM
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GMPP Manifold question (new question)

How can you tell if it is an actual GMPP extrude honed manifold or just stock or possibly someone's garage modded manifold?

I am close to pulling the trigger on getting one, but I am worried I might end up with exactly what I already have.

I cannot have it where I must pull my manifold and compare it, is there any markings, stamps or something on the GMPP modded manifolds to distinguish them?
Old 09-03-2009, 02:21 PM
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Looking at the inside of the manifold...it is as smooth as a babys ass....snap a picture and post it..i have one myself....
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