I bought this rack specifically for the increased aerodynamics and the redused noise. The rack does not fulfill either of these "improvements". The noise, a hight pitched whine is so bad you will get a headache listening to it. I see no benefits in any change of wing resistance or gas milage. If you are carrying something on the rack it will not make any difference. If you try to attach any non-thule item for a rack that carries a crew shell, the wider bar does not work. And, as with others, the rubber stripping was flapping behind the car until it came flying off. I had to glue it so it would stay.
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