Today, on this 2008 Mercury Mariner, we are going to be installing a Thule Rapid Crossroad Roof Rack System, with the AeroBlade Bars. We already have our crossbar assemblies put together, now we are ready to mount them on our vehicle. We will position our crossbars on top of our vehicle. First, we will make sure that the overhang of the crossbars is even from side to side. Then, we will make sure… see more >