who here races with exhaust manifolds?

01-28-2013, 07:41 PM

sixtynine

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Re: who here races with exhaust manifolds?

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Chevy454</div><div class="ubbcode-body">Been racing Pure Stock since '99...car has ran a best of 11.72 @ 118 so far @ 3700+ lbs...L72/400/4.56 Yenko Camaro. </div></div>

Thats a real good mph for manifolds..... Are they untouched or extrude honed or ported?

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