The AEM 21-478WR Wrinkle Red Cold Air Intake System offers an estimated horsepower gain of 36HP at 5300 RPM. The system is designed to replace the factory airbox and air filter and comes with a DRYFLOW synthetic air filter that is washable, gives great filtration, and should last for the life of your vehicle.
The system is made from mandrel-bent aluminum intake tubes and powder coated heat shields. Its high-quality hardware is designed to reduce friction and intake temperature to improve performance. The system is designed to fit a range of Subaru vehicles including most WRX and Impreza models.