Fitment: This high - flow air filter fits 2002 - 2007 Subaru WRX and 2004 - 2007 Subaru STI. Features: It uses washable and reusable cotton woven media. Precision - molded, it directly drops into the factory air box. It boosts air flow while keeping high filtering efficiency. Pre - oiled and compatible with COBB Accessport OTS Maps, it's a breeze to install. COBB High Flow Filters offer high flow rates, low restriction, great filtration, and a long lifespan. The proprietary woven cotton, metal mesh, and precision - molded rubber base ensure only clean air enters your engine, enhancing power and fuel economy. Give your car the gift of fresh air with this filter!

Using the Cobb Tuning High Flow Air Filter is easy. First, make sure your engine is cool. Open the factory air box and remove the old air filter. Then, simply drop this new filter into the air box. It's pre - oiled, so you don't need to do any extra oiling before installation. When it comes to maintenance, since it's washable and reusable, you can clean it when it gets dirty. Use a mild cleaner and gently wash the filter. Let it dry completely before re - installing it. Remember, always keep it away from sharp objects to avoid damaging the filter. Also, make sure it's properly seated in the air box to ensure maximum performance.