I purchased this top carrier to use on a 2008 Scion XD with no roof rack. It fit the car very well but the instructions to secure it to the car were very confusing. Extra straps were needed. It would secure as tight as I felt safe with, but did not move during the trip. It did flap a lot during the trip (straps? no skid pad?) and the noise sounded a lot like there was rain on the roof of the car. But it did it's job during a move, and for that I was grateful. I'd recommend it. Just give yourself plenty of time to figure out the straps if you don't have a roof rack.
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