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Hey guys, my names Keith. I just purchased a 2011 3500. The truck was first part of a corporate fleet with maintenance down to a tee, second owner same thing. I am the third owner. I have the truck inspected by my wife’s fathers garage and given a clean bill of health. They also said it’s been deleted. No more DEF and I believe it has a GDP EGR delete. There is also a S&B cold air intake and a MBRP exhaust. It also has a SOTF switch on the dash but I’m not sure if it’s still tuned or flashed back to stock.
Anybody have any info or tips on how I can find out or anything else I should know?

Thanks in adavance!
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