Today, on our 2015 Volkswagen GTI, we'll be test fitting the Thule Sonic XXL Rooftop Cargo Box. This box offers 22 cubic feet of space. It comes in a nice metallic silver finish. With our Thule load bars already installed on our vehicle, we can go ahead and place this on top. What you want to do is you want to make sure you have your clamps open, ready to go. We'll go ahead and slide that on.… see more >