Today on our 2012 Mazda CX-7, we're going to take a look at and show you how to install the Hidden Hitch Custom Fit Class III Trailer Hitch Receiver. This has the 2-inch by 2-inch opening. It's part number is 87421. Here's what our hitch is going to look like installed. It's going to give us a nice clean look. The main cross tube is completely hidden in behind the bumper there, really just going… see more >