What's the stock exhaust size for 2001 2500 cummins?
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Diesel Fan
Joined: Jun 2016
Posts: 61
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What's the stock exhaust size for 2001 2500 cummins?
Gonna straight my truck as well when it gets out of the shop planning on losing the muffler and welding some pipe in place of it just don't know the stock size. Thanks!
