LMM's are awesome! you cant go worng wth either one!
efi live, delete dpf, block egr, airdog 2, cognito braces, sleeves, and transgo jr, and your good for some haul a$$!
Good luck finding one!
whats the plan for the old 12v?
Current: 2011 Denali HD LML Duramax
RDT EFI Live by Kory Willis, PPEI Transmission Tuning, Flo Pro 4” Dual Exhaust, Fass Titanium 150, DRP Sump, Suncoast Built Trans by Lee Allgood, Skyjacker Dual Steering Stabilizers, Kryptonite Tie Rods, 4" Cognito Non-Torsion Bar Drop Lift, Fox Shocks, 22x10 Fuel Mavericks on 325/50R22 Cooper STT Pros, AMP Research Steps, 2” Spacers in the Back, and a 2015 Rear Step Bumper! CP3 Conversion on the shelf, Dual Fueler Kit and S475 over stock Compound Kit under construction
. "My Trans Builder is better than Bruce Jenners Doctor!"
Sold: 2008 LTZ LMM Duramax “Mighty Maxxine
RDT EFI Live by Kory Willis, 45% Exergy Injectors, Airdog 2 165 GPH, DmaxStore Stage 3 front end, Bilstien 5100’s, AGR SB2 Gearbox, 20x10 BMF R.E.P.R.’s on 305/50R20 Toyo Proxes ST’s, and ISSPro EV2 Gauges