LongroadExplorerJul 13, 2015Anyone remove the catalyst from a Cat C-7?I noticed that my new to me RV has a catalyst exhaust, I was just wondering if anyone has ever removed one a replaced it with a standard exhaust. It is a 2005 C-7 350hp. I noticed that the thing mus...Show More
ScottGNomadJul 14, 2015You'll find there is no gain to removing it. The exhaust is designed to flow perfectly well with it and it's not much of a blockage anyway.
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