
Originally Posted by
jdm>usdm
What is basically does is scoop up air and channels it through the body, then releases the air under the rear of the wing. In a sense, its creating lift, which reduces the down force. By the way I understand it, the driver is able to control a panel with his knee that allows it to open and close.
So basically, during the long straights of the track, the driver opens it up and is able to reduce some of the down force which works against the car at high speeds.
A pretty ingenious way to get around the rules.