Today on our 2009 Honda Civic well be test fitting the Thule Sonic Medium rooftop cargo box with 13 cubic feet of space glossy black in color, part number th634b. Now our vehicle is already equipped with a Thule Rapid Traverse roof rack system so well begin our test fit by placing the cargo box onto the vehicles load bars. After positioning the clamps over the load bars we can then unlock the box… see more >