wondering if this would help any?
 

Just found this product on ebay and was wondering if it would help at all. Im just getting into ecomodding thing and have a few plans then saw this and wondered if would possible be worth making one or just purchasing http://i202.photobucket.com/albums/a...WhRY9Q0_12.jpg

It looks like that is used to try to reduce the drag on the wipers but it might increase drag in of the cartotal depending on the shape of the car.