Today on our 2008 Chevrolet Silverado 3500 Series, we'll be test fitting the Thule Moab rooftop cargo carrier, the Mother Of All Baskets, part number TH690XT. With the Thule square bar roof rack system assembled onto our vehicle, we'll begin our test fit by placing the Moab directly onto our load bars. We'll center it in line with our vehicle. Here at the front, we'll bring our clamp around our… see more >