Today on our 2013 Toyota Prius well be test fitting the Thule Force XXL Rooftop Cargo Box measuring 21 cubic feet in aero skin black part number TH626. With the Thule Aeroblade Roof Rack System assembled onto our vehicle, well begin the test fit by placing the Thule Force directly under our load bars. Since the feet are hanging out the bottom of the box, we can adjust them as needed while… see more >