Today on our 2014 Kia Soul, were going to be test fitting the Thule Sonic Medium Rooftop Cargo Box with 13 cubic feet of storage space in gloss black. Its part # is TH634B. With our Thule Rapid Traverse Roof Rack System already in installed on our Soul, we're going to begin our test fit by placing the cargo box directly onto the load bars. With the feet hanging onto the bottom, we found this as… see more >