Originally Posted by cooltoy

I think I answered your question without any ambiguity.

If it is not designed in the wind tunnel, then any down force a part provides is purely by luck, not scientific design. If it does - great, but don't expect it to, as there is no way to prove it other then running the car in a wind tunnel.


Stillen, being a company owned by a former professional race car driver, may perform some kind of aerodynamic test on their products, or at least use the racing experience in their design. EVO-R is not a professional car racer as far as I know.