The side air exhaust vents were on the other hand made larger, with only a small compliance panel being used behind the front wheel well. (en.wikipedia.org)
The adjustable air exhaust is nice, too, no more warm air blowing in your direction while you're trying to work. (geekwrapped.com)
This will ensure proper balancing of fresh - air supply and stale - air exhaust for optimal ventilation efficiency. (zehnderamerica.com)