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Originally Posted by s13dan
I heard from a lot of people and places that a turbo manifold for a S13 redtop can add 20+ hp to the ground and for S14 can be 30hp to the ground? is that true? is the stock SR manifold that shitty? and is a Z32 MAF a big preformance gain at all? need anwsers thanx
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Being as I just put a tubular manifold on my car, I can officially say no way, it doesn't add any power.
It helped spool a little bit, but I'm attributing that to putting a new manifold->turbo gasket in place, since my old one was only about 75% there.
~matt