Thule Sonic Medium Rooftop Cargo Box Review - 2009 Mazda 3 Video

Review of the Thule Sonic Medium Rooftop Cargo Box on a 2009 Mazda 3

Today on our 2009 Mazda 3 we'll be test fitting the Thule Sonic Medium rooftop cargo box measuring 13 cubic feet in glossy black, part number TH634B. With the sport rack roof rack on our vehicle we'll begin our test fit by placing our Sonic directly onto our load bars. With the feet hanging out of the bottom of the box we can adjust them as necessary to fit around each bar. We went ahead and… see more >