Banks Ram-Air Intake System Oiled FilterBanks Ram Air Intake System Superiority. This is no filter on a stick! Ram Air is an extensively tested and validated cold air intake with enclosed housing improves flow up to 26 percent. Increases power and fuel economy. Reduces EGTs. Enclosed housing keeps out hot, power robbing engine air. Inhales cooler denser outside air and improves flow up to 26 percent for greater power and MPG. Helps engine run cooler and cleaner. The giant filter flows more