We pull a 40 ft 5th wheel that is 16,000lbs. The only thing we have moded on the truck to pull it is airbags and E rated tires.
Tyler- 2001 LB7
Mods:EFI Live, GA Diesel Stg. 4, Garmon Custom Converter, AirDog II, EPR s464, EPR 5" intake, EPR 3" IC tube, EPR 3.5" Downpipe, RDL pedestal, Turbo Performace blanket, MBRP 4" exhaust, Silverline 6" Black Stainless stack, Autometer Cobalt boost/pyro, Modified 6" Fabtech, Fabtech traction bars, PPE sleeves, Cognito braces, Rancho shocks, 35" Mickey Thompson ATZ, 20" ProComp Extreme
Thanks Harley, Phil @ Georgia Diesel, Trent Nell @ Extreme Prejudice Racing, Jason @ 4 Wheel Parts, Levi @ Turbo Performance Products