Another misconseption is the uselessness of them on front-wheel drive ricers. Though often improperly installed, the actual 'wing' part can sometimes be reversed, depending on manufacturer, to reduce drag on the backside of the car, making it lighter, and applying more force to the front wheels.
2. Shredder: DUDE! I just got my wings! A Dean Razorback Inferno!
Shredder 2: Sweet! that explains the awesomness radiating from you!