Thule Sonic Medium Rooftop Cargo Box Review - 2014 GMC Yukon XL Video

Review of the Thule Sonic Medium Rooftop Cargo Box on a 2014 GMC Yukon XL

Today on our 2014 GMC Yukon XL we'll be test fitting the Thule Sonic Medium Rooftop Cargo box with 13 cubit feet of space in glossy black part number TH634B. With the factory roof rack on our Yukon we'll begin our test fit by placing our cargo box up onto the vehicle crossbars. After positioning the clamps to fit over the bars, we can unlock the box and open the lid exposing the two closest knobs.… see more >