increase payload capacity 2004 Suburban 1/2 ton

1500 4x4 Z71 Suburban with 3.73 GVWR 7200 GCWR 13000 GAWR 3450 front / 4000 rear The car spends %99.99 of it's time as family car, and %00.01 as tow vehicle. With family (6+dog) and traile...