AEM Dryflow Air Filter WRX / STI (2008-2018) Scion F32 BMW 428i 428i xDrive

F32 BMW 428i 428i xDrive 435i 435i xDrive Coupe 2013+

The Sprint Booster Power Converter eliminates this delayed throttle response and provides the Nissan 350Z (2007-2008) with immediate on-tap acceleration whenever the driver demands it

as well as protection from water and other road debris

more stable boost curve with less drop off at the end of the rev range

AEM Dryflow Air Filter WRX / STI (2008-2018) Scion F32 BMW 428i 428i xDriveAEM Dryflow Air Filters for the Subaru are washable synthetic air filters designed for an optimum combination of air flow, filtration, and performance. AEM Dryflow filters use an innovative high performance oil free filtration material that allows easy cleaning, durable service, and excellent filtration. NOTE: This item is not CARB legal and not for sale or street use in CA and CARB states. This kit cannot ship to CA. FITMENT: Subaru WRX STI 2008 2014