BakFlip Revolver x4 will be available in December so they say. I installed another of their products on my 2013 Laramie with Ram Boxes and it worked well. I will most likely be opting for the BakFlip Revolver x4 when I get my truck. Its strong, as water tight as these units can be, very resistant to break in, and it is smaller at the window when rolled up as opposed to a trifold