Quote Originally Posted by EJ25RUN
3 things.

1. the car in the op is a 04 and 05 so it doesn't have that second wing element on the back of the c pillar.

2. You can see how the airflow is naturally sucked downward after it hits the roof so basically in my head, the wing that guy put on the car would be missing the air coming down from the roof.

But thats how i see it in my head, might no actually work that way.

3. I cant read anything in your second pic.

that picture is in russian, it was from nasioc,

at the test of it was done at 144kmh....

thats all the info i got from it..