Im posting this for a friend... The truck has the 5.9L cummins in it with a 6 spd transmission. The truck also has a 6 in. lift on it with 20 in. Incubus wheels & 37x13.50R20 Kumho tires. It has 4" turbo back exhaust, a stage 2 AFE cold air intake, a CFM intake horn, a boost fooler, a Southbend...