Mirza Grebovic
Seasoned Member
An internal way we look at it is CFZ is functional (the Z in CF for vertical axis), CFV is the second package for "visual". However, we tested in tunnel and CFd that it did not hurt aero and obviously carbon is lighter so it earned its place on car.Speaking of carbon fiber and downforce, does the second carbon fiber package have any performance contributions or is it mostly appearance? Right now I only have the first one optioned for my 4BW.