Speaker 1: Today on our 2018 Chevrolet Silverado 3500 we're gonna take a look at and show you how to install the Demco Underbed Rail and Installation Kit for the Hijacker fifth Wheel and Gooseneck Trailer Hitches, part number is DM8551002.Here's one of the great things about the auto slide kit and that's that when you don't need your fifth wheel you're still gonna have full access into… see more >