Quote:
Originally Posted by RiderofBikes
for these to have little to any affect, wouldnt these tabs be best placed while still in direct and attached flow of the air on top of the car, to help attach the air flow further past its point? like say, not the end of the roof, but more midway, at the apex of most vehicles roof line, when its just starting to curve down to match the rear window.
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Though they seem to be a bit too far aft in luv2spd's pics, the airflow over a car's roof is still OK beyond the apex, as the curvature is smooth.