Quote:
Originally Posted by basjoos
If you're going to install a smooth underbody panelling, then you won't need the air dam. Air dams can only help FE by diverting air from an aerodynamically dirty underside. Otherwise they add drag by increasing the frontal area.
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Well that makes the whole idea a lot simpler. Would it be a good idea to instead block off the radiator grill and lower grills?