Today on our 2013 GMC Terrain, we'll be testing the Thule Areoblade Edge Roof Rack System for the raised factory side rails, part number TH7501-TH7501. To begin our test fit, we'll grab our front bar and place it onto the front part of our roof. We'll go ahead and remove the black plastic cover and place our straps into position. You'll notice that one end of the strap has four slots. This is the… see more >