Subaru Bonnet Aero test for cooling vents

Subaru Hawk Eye STI, Aerodynamic bonnet vent test, cooling solutions,

[MindDezign]

That was interesting normal driving speeds under 100.
Wasnt very effective at all.
Above 100 it came into play.
Very interesting...thank you for a great video.

[PocketDrummer]

You need a gurney flap in front of the vent to change the pressure over the vent.