The K&N 33-2232 Air Filter fits some Subaru Alcyone, Subaru Forester, Subaru Impreza, Subaru Impreza II, Subaru Impreza II WRX, Subaru Impreza II WRX STI, Subaru Impreza WRX, Subaru Impreza WRX STi, Subaru Legacy, Subaru Legacy I, Subaru Legacy II, Subaru Legacy Outback, Subaru Liberty, Subaru Loyale, Subaru Outback, Subaru Outback I, Subaru RX, and Subaru SVX models. See vehicle applications link for details.
K&N's replacement air filters are designed to increase horsepower and acceleration while providing excellent filtration. We make over 1,200 different replacement air filters for the majority of vehicles on the road. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. With most vehicles you simply remove the disposable air filter and replace it with a K&N.