To further hotdiggitydamn's comments, I read that anything adding height to our roofs will further decrease our already sucky mpgs. Also, if you don't use the rack a lot then you will have to take it on and off. So if you leave it on and don't use it you are killing mpgs. I created a lowrise roof rack using our existing rack rails and using some
80/20 extrusion and
angle brackets. They have them in black anodized products also, but it's 3x the cost. I should have made them 1/2" longer but I got the materials free from work. The front extrusion is a special piece that I used to create some aerodynamics and covered it with a strip of carbon fiber tape.
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