Placed my order on Saturday for my factory order, however, on my Chevy Avalanche (it calls them saddle bags, and they look cool with the sharp angles) I put one of those large police officer flashlights on clips on the underside of the cover on one box, and on the other box I put a metal case that housed an air tire gauge.
I camp on the beach, so always aired down. However, if anyone airs them down and back up, you MUST build yourself one of these! 50 3/8" air hose refitted to have 4 quick connect valve connects, with a 3 way manifold to let air in, and also out (to air down) and a pressure gauge. Now, instead of doing each time one at a time, which took over 4 minutes, I do all 4 in less than one minute. Everyone who sees me using it comments and says they're gonna make on. Sorry for the side note, but it's a great mod if you beach or offroad.