2001 lb7 duramax 7" stacks 

Here is a short video of my 2001 lb7 duramax with a 5" straight pipe to 7" dual stacks, lifted 6" fabtech lift on 33x12.50r20s 20x12 with 2" spacers in the rear cognito control arms. ppe boost valve, efi live, cold air intake, water methanol injection, air dog 150, 40 over injectors from industrial injection, rebuilt trans, ranch hand bumpers smoked lights all away around with leds, high idle switch, aftermarket fog lights, reverse lights. List goes on, 2001 lb7 duramax runs amazing, if you wanna see more like comment and subscribe, this is just a quick walk around with a small rev not even half throttle.