i looked at 2 2006 2500 crew cab short box today with the cr cummins and auto tranny it has a 2" lift and wheels an tires, all i know is that it has a 5" exhuast and superchips chip they are asking 18,999 and offered me 10k trading for my ford cummins. what are the pros and cons of this truck and this trade give me some opinions before i go and look deaper tomarrow