The OP is lacking in truck specs, it might be a regular cab, 4x2 gasser.
Copied directly from his signature:
RCMerrill 2006 Ram 2500 4X4 SWB Larme.373 Gears/auto. Infindy am/fm/cd/nav,Sun Roof Rear Pwr.slider AFE Air Filter,4" silvertone stanless exaust/W 5" roll tip, 35" BFG tires,Air Bags,SuperGlide21K 5Th. wheel Removeable,Retractable tonneau cover