The car is most definitely not based on anything even remotely resembling ram-air. In fact, the Pontiac Grand Am advertising "ram-air" (and Trans Am WS6 of days past) simply use a marketing ploy, a neat idea, and some fancy hood scoops to push the product. It don't even have a true ram air effect.

The filters are located inside separate compartments inside the engine cover. Pull the cover off and you'll see where they are located.