Today on our 2010 Chrysler Town and Country, we'll be test fitting the Thule Sonic XXL rooftop cargo box, measuring 223 cubic feet, in metallic silver, part number TH636S. To begin our test fit, we'll place the Thule Sonic directly onto our factory roof rack system. Since the feet are already hanging out of the bottom of the box, we can adjust them as necessary to fit around our crossbars, while… see more >