2006 GMC Sierra 2500 HD SLT ECLB, LBZ, LED tailights, black turn signals , black aftermarket headlights,265/75/16s uniroyal larados,Bilstein shocks,Banks 4inch exhaust, Nicktane adp, with a 3 micron Donaldson fuel filter, Schaffer's oil, pcv Re-route from alligator performance, Nicktane race plug, GM cab light,Banks 3 inch boost tube,And S&B air intake good to be driving a diesel again.
If you want to stick with the OBS body style you probably want to find an LBZ engine. I think this package would give you the body style you want and not need to worry about the injector problems of the previous years.
2001- 2004 have LB7 engines 04.5-06 LLY
07.5-10 LMM (New Body Style)
02 CC LB LB7, PPE Hot, PPE Boost Valve, PPE Pitman/Idler Arm Support Kit, Fabtech HD Tie Rods, BD Exhaust Manifold, Ready Lift Leveling Kit, 285-70-17 Toyo's AT II LR E on H2 Rims, Airaid Air Intake, Magnaflow 4" Exhaust, PIAA 580 Fog and Driving Lights, Modded Intake Horn, Kool Vue Mirrors, DDM HIDS 6K Low and 8K Highs, Firestone Airbags, Tekonsha P3, Nicktane with Cat