Today on our 2013 Mazda3. We will be test fitting the thule Force XXL rooftop cargo box. With 21 cubic feet of storage space, and arrow skin black it's part number TH626. With our thule podium roof rack system already installed on our vehicle. We'll begin our test fit by placing our cargo box directly onto our load bars. We find it easiest to line our feet up at this time as well. We'll now open… see more >