For this wrap-up video, we review our time with the Sierra 1500 AT4 Duramax diesel truck, including our modifications. We added an Eibach suspension, Timbren SES jounces, Hellwig overloads, AEV Crestone wheels, and Kenda 35×10.5″ tires. Additional modifications includes Tuffy storage boxes, Garmin GPS, and a Scout Kenai camper.