Hello, I've got a question regarding the effects of a particular rear wing on the 1999-2004 Ford Mustang body style. The wing in question is the Steeda "Race Wing." I'm wondering what sort of effects this wing will have on the car. Will it create downforce? Will it aid in stability? At what speeds would the vehicle have to be traveling to experience any noticable effects? The list of questions goes on and on. People who use this wing on thier Mustangs usually experience a drop of 1-3 mph in their trap speed at the end of a 1/4 mile. A friend of mine has this wing on his GT and his trap speeds dropped from 99-100mph to 97-98mph. I assume that the wing creates more drag than the factory spoiler. If anything I suspect the wing smooths the flow of air as it travels over the rear deck. Anyone have other input?