Vantech Black Aluminum Bolt-On Cargo Rack System Ford Transit 2015-current Low Roof / 148" WB Model H1810DD04BVantech Black Aluminum Bolt On Cargo Rack System Ford Transit 2015 current Low Roof 148" WB Model H1810DD04B The DD configuration utilizes a 40 degree angled faceplate for both the front and rear end. The angled front faceplate acts as a wind foil, and reduces drag as well as wind noise when traveling. It also channels air over and around any low profile cargo like ladders and folding tents. The rear angled faceplate reduces drag and wind noise by