Best STock Exhaust Manifolds
10-15-2008, 08:32 PM
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Best STock Exhaust Manifolds I was wondering if anyone had any real testing results as to which stock exhasut manifold works the best. I am building a 69 Camaro pro touring car and I am limited on my budget. Im not concerned with squeezing every drop of power out of my engine as I can but I still would like the best bang for my buck. WIth that being said, which ones flow well and which dont. I was looking at a set of 06 GTO manifolds and they look like they would fit my swap well but dont have any experience with the flow of these. As much as I would like them, Swap headers are very expensive. Maybe in the future but for now, stock manifolds will have to do.
10-16-2008, 12:01 AM
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Stainless Steel Vette manifolds from 97, I just sold a set, they can be modded to accept a 3" collector with little fuss. 
They are hydro formed pieces and the primaries look larger than the cast pieces, they are relatively light too. I could only assume GM stopped using them due to the cost vs a cast iron piece.
I sold them for $80 on ebay if it helps. The same year H-pipe was also Stainless Steel, i sold one of those too for $90.
They are hydro formed pieces and the primaries look larger than the cast pieces, they are relatively light too. I could only assume GM stopped using them due to the cost vs a cast iron piece.I sold them for $80 on ebay if it helps. The same year H-pipe was also Stainless Steel, i sold one of those too for $90.
