i am new on here so please hang with me.i have an 03 shortbed quad cab 3500 srw and want to dual wheels on it.the bed cosmetics are no concern as it has a flatbed already on it.would i have to have longer axles and different hubs to clear the frame? i pull a 28'gooseneck trailer everyday in the summer with a 100gallon fuel tank on the front and a kubota 9540 with a kuhn gmd 700 disc mower attached,so the stability would be very helpful.i would appreciate any help. 5.9 (duramax and powerstroke eater),3.73 gears nv5600 4x4,dr performance module,air raid cold air box 152,000 miles as i type.