2006 Chevy 2500 HD Duramax quad cab short bed. REAL D-code LBZ diesel. 179,xxx miles. 6speed push button manual Allison trans and digital brake controller.  2WD. Let me say that again, 2WD!  Locker in the rear. All stock motor except K&N intake and Banks cat-back pipe. All fluids just changed (yes diff also).  Torsion key and upper arms front lift. Black Method Wheels and BFG A/Ts with 75% life left. Bluetooth digital stereo, with new speakers, amp and single 10”…