Allen B
2004.5 LLY/Allison Crewcab short box 4x4
EFI live tuned by nick at Duramaxtuner(dsp5), Lbz MP with stg 1 AFE, plugged, PCV rerouted, Mbrp DP, 4" to 6" tip, EGR blocked/ unplugged, 285 M/Ts, 1 1/2" wheel spacers , air ride, pump rub kit, PPE sleeves and support kit, Autometer boost and pyro, deep pan s.c lock, my own transfer case brace and leaf spring clamps