Not sure which 2011 Ford Fusion Air Intake Systems are right for you? We have over 473 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Michael M from HARLINGEN, TX said, "Wonderful product. Still maintained my MPG I was getting when I had the factory box and 0w-20 mobil 1 oil. Very quiet operation and I love the versatility."