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not2oldchevy · 08-06-2012, 03:45 PM

Have a 53 AD with a 5.3 I am trying to use factory manifolds. Tried stock truck they were about 2 inches too wide on each side. Bought some 06 GTO manifolds, they were about 1/2 inch too wide, already boxed the frame so I don't want to notch it. Anybody got any suggestions? Got plenty of manifolds I don't need! GTO manifolds look like they would flow super good but I don't want to notch.

08-06-2012, 03:45 PM	#1
not2oldchevy Registered User Join Date: Sep 2009 Location: east tennessee Posts: 159	Gto exhaust manifolds help Have a 53 AD with a 5.3 I am trying to use factory manifolds. Tried stock truck they were about 2 inches too wide on each side. Bought some 06 GTO manifolds, they were about 1/2 inch too wide, already boxed the frame so I don't want to notch it. Anybody got any suggestions? Got plenty of manifolds I don't need! GTO manifolds look like they would flow super good but I don't want to notch.