Gm's Optional Cat Back Exhuast

By Kodiak450
June 26, 2008 in 2000-2014 Silverado HD & Sierra HD

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Kodiak450

Posted June 26, 2008

This question is for the brand new GM truck owners. I wanted to know if any of you purchased GM's optional cat back exhaust? I am curious of what it sounds like. How big is the pipes, ect..

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