Today on our 2011 Ford Explorer, we'll be test fitting the Thule Sonic XXL rooftop cargo box measuring twenty two cubic feet in metallic silver, part number TH636S. With the Thule Rapid Crossroads roof rack system on our vehicle, we'll begin our test fit by placing our box directly onto our load bars. With the feet hanging out of the bottom of the box, we can adjust them as necessary to fit around… see more >