It's definitely an option and those prices look correct. The 2014 build and price tool needs some work. Truecar.com seems to be correct.
Here is a direct link to LH 4x4 5'7" bed...
RetraxOne Tonneau cover, DeeZee tailgate assist, Line-X premium bed liner, Bed Rug Bed Mat, Freedom Tailgate seal, Cabin Air filter, aFe Magnum FORCE Air Intake System, Muffllex DOD18M, AVS Aeroskin Hood Shield, Craven Stubby Antenna, Tinted Windows, AVS In-Channel Vent-visors, AMP Research Black Bed Xtender HD, Hypertech Interceptor, E&G Classics - Polished Heavy Mesh Bumper Grille insert , Lamin-X 3rd brake and fog lights, E&G Classics Polished Heavy Mesh Bumper Grille Insert