2.5" vs. 2" exhaust - The 1947 - Present Chevrolet & GMC Truck Message Board Network

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2.5" vs. 2" exhaust

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10-17-2018, 02:53 PM	#6
cleszkie Registered User Join Date: Feb 2003 Location: Santa Ana, CA Posts: 2,191	Re: 2.5" vs. 2" exhaust If you do decide to go with a 2.5" exhaust, I suggest replacing your stock 2" ram horn exhaust manifolds with a set of 2.5" ram horn manifolds to take full advantage of the bigger diameter tubing. These are reproduced by Dorman and are a direct bolt on.

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