1st Gen RAV4 Rally Turbo !!!

The explanation of how it works is in a second article:

This perhaps gives an insight to the way F1 teams operate to get the maximum possible power from the engine.  REmember a few years ago where the driver could put his knee over a hole in the cockpit side that diverted the airflow to the rear of the car?  Can't remember the team but it does sound like a Paddy Lowe brainwave.