Not sure which 2006 Subaru Impreza Cold Air Intakes are right for you? We have over 425 customer reviews, with an average rating of 4.5, to help you find exactly what you're looking for. Grant G from Mount Dora, FL said, "yes the k&n 69 typhoon intake system does everything you say it will. my mpg has increased along with more hp. along with this the engine sounds better with the wooosh sound it makes as it sucks in all the air.was easy to install. a great quality product."