Not sure which 2010 Ford Focus Air Intake Systems are right for you? We have over 3 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Alexander S from Chandler, AZ said, "This is an awesome product. It improved my mpg and performance. Awesome buy, no regrets.Would definitely recommend to a friend 100 times over.Drag raced my buddies 1992 L4 mustang, neck and neck at first gear but when it hit second my focus sped past."