i have a 2004. 5 325/600 cummins with a 48re transmission, so far i ve put a air raid in the tube , put a flat filter on it , took off cat and muffler , full 4" from turbo to rear bumper. how much hp and torque am i making now ? and what the hand held tuner for my truck - i don t want to mess with the transmission . thanks bobby macdonald Oo.