[euromodder]

Originally Posted by Sularus

This is what was done to aerocivic. As far as the angle goes I am not sure, but I would think an angle meeting up with the top edge of the windshield where the roof begins would help and it somewhat bisects the difference of the hood-windshield transition.
Aerocivic - aerodynamic mods for maximum fuel economy - aerocivic.com
J

Those are wiper deflectors, rather than an attempt to reduce the apparent windshield angle (which is already smaller than on trucks).