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View single post by JAMMAN
 Posted: Tue Oct 24th, 2017 09:27 am
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JAMMAN
Owns A Torsen


Joined: Mon Sep 18th, 2017
Location: Grove City, Ohio USA
Posts: 6536
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It has to be more than that. I have a set of stock 5.0 manifolds and can't get 2 fingers in the port. The openings on my FMS headers are at least twice as big. The "gain" was that on a totally stock motor?



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