So the Altitude rails are different than say the Limited and Overlands rails? If so that just sucks. I have Yakima Wispbars on mine during the summer to haul my canoe around.
I leave them on during summer but have them off for the winter. Take about 10min to install after initial setup. They just mount into the groove of the rails by removing a screw holding the rail down and placing a stud into it. Basically the rack is tied into the roof. Very sturdy.
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