So I came across this on another forum, thought it was rather interesting.
It's from Sport Auto in Germany, done in Daimler Chrysler's non rolling wind tunnel replicated at 200km/h road speed (no idea what wind speed that is).
Mad props to the Gumpert Apollo and the 997.2 GT3RS
E92
CSL (not bad ... zero lift front end and almost nothing in the rear)
well engineered Porsches
[img]http://www.m3post.com/forums/attachment.php?attachmentid=401688&stc=1&d=1277613 144[img]
Lotus
And for those of you that don't like Hondas ... gotta give it to them for actually knowing what they are doing (especially for a car that really has bugger all add-on aero)
NSX-R
What a real racer produces: Love how you can actually see the diffuser working