Well I was talking about flares in general, not skull shift knobs, big wings, and tire flys.
I assume they help with maybe just a minor effect on aerodynamics, I know, round flare, round tire, how much difference could there be?
I'm sure they make a wide-wheeled car look a little bit better and also help from keeping gravel, rocks, road-grime off of the body of the car.
I know much of that doesn't make sense, but if you're knit-picking at my post's to start e-drama. Keep 'em coming.
I was talking about the function part of them, not the "look, my car has fender flares for my 7.5" wide wheels that don't stick out past my bodies OEM fender/1/4 panel".
Personally, if I had this wide of a wheel I'd rather have this:

Than This:
