Today on our 2014 Volkswagen Passat, we'll be test fitting the Thule Sonic Medium Rooftop Cargo Box with 13 cubic feet of space in glossy black, part number TH634B. With a Thule Rapid Diverse roof rack system installed onto our roof, we'll begin our test fit by placing the cargo box up on to the vehicle's load bars. After positioning the clamps to fit over the bars, we can unlock the box, open the… see more >