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GMPP 12486570 for Vortec

12556 Views 12 Replies 5 Participants Last post by  Stewey956
Tried googling and could not find solid answers on what intake this exactly is. I know it's a dual plane and for Vortec but I'm trying to find information for its performance details.

Is this a Performer RPM equivalent? I am putting Vortec head on my 350 with 700r4 and stock cam.
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If I use Vortec heads I'd use this intake only because it has EGR. Still have emissions here.
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