On Mon, December 19, 2005 8:48 pm, jldenning@earthlink.net wrote:
>
> A thread I can't find discussed header and exhaust mods to 318s. In
> particular, someone pointed out that oem manifolds for certain
> years/applications had larger inside diameters and thus provided header-like
> performance boosts over other oems - such as are on my 1999. Can anyone help
> me out here?
92/93 manifolds are the higher flow units.
-- - Josh www.omg-stfu.com
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