Fitment: This filter is perfect for 2002 - 2007 Subaru WRX, 2004 - 2007 Subaru STI, and 2004 - 2008 Subaru Forester XT. Features: It boosts power and airflow, and effectively removes harmful particles from the incoming air. The open - cell foam filter type is easy to install, with an estimated installation time of just 10 minutes. It comes with a 5 - year manufacturer warranty. The Perrin drop - in air filter uses a 2 - stage foam filtration element to enhance airflow in your stock air box. With a special oil coating, it catches dirt while letting air flow freely. You can clean and re - oil it using the Perrin cleaning kit (sold separately).
Using this Perrin drop - in panel filter is a breeze. First, find the stock air box in your Subaru WRX, STI, or Forester XT. Open it up and remove the old filter. Then, simply place the new Perrin filter in its place. It should fit right in, and you'll be done in about 10 minutes. When it comes to maintenance, keep an eye on the filter's condition. Once it starts looking dirty, use the Perrin cleaning kit (sold separately) to clean and re - oil it. This will keep the filter working at its best. Just follow the instructions on the cleaning kit. Also, remember that this filter comes with a 5 - year manufacturer warranty, so if you have any issues, reach out to the manufacturer.
