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Terrysch · 08-30-2019, 06:23 PM

The 63 -65 corvette 2.5 inch manifold is the high performance version.
There is also a 2.0 inch corvette.
I researched the corvette manifolds.
I ended up buying the 2.5 inch to replace the headers on my 72 Jimmy.

08-30-2019, 06:23 PM	#2
Terrysch Registered User Join Date: Feb 2019 Location: Ozark, MO Posts: 573	Re: Ram Horn The 63 -65 corvette 2.5 inch manifold is the high performance version. There is also a 2.0 inch corvette. I researched the corvette manifolds. I ended up buying the 2.5 inch to replace the headers on my 72 Jimmy.