2005 GMC Sierra 2500 HD 4wd
6.6l LLY Duramax, Allison Trans with upgraded clutches, Billet Torque Converter, EGR Delete, EFI Live with 5 position switch, Bully Dog Watch Dog Monitor, 5" Exhaust, K&N Air intake system, new valve cover gaskets in 2014, Zibart rust treatment in 2014, Leather...