Perrin Subaru WRX (02-07) & STI (04-07) Drop-In Filter

Subaru Panel Filter

Don't let a flimsy paper filter get between you and true performance.The PERRIN Performance™ dual stage, “Open Cell" foam, drop-in Panel Filter is the answer. A stealthy approach to higher air flow. Increases in horsepower are a simple easy install away! Quick cleans are simple with Perrin's aerosol cleaner and spray oil. After all, more air equals more power!

Open Cell Foam Element

PERRIN foam filters are made of reticulated polyurethane foam which offers a minimal amount of air. The filter element is sprayed with a special oil that adheres to the foam making the poly matrix sticky and retain dirt. Foam filters do not block dirt, they grab it! All while making minimal drops in air flow as they grab dirt! What does this mean to you? More dirt collected, more air flow and no clogs!

Clean and Protect

Cleaning is simple. Just spray on yPerrin's oil filter cleaner, let it sit on the filter element for a few moments, and simply rinse away the cleaner and dirt. Once yPerrin's filter is dry, spray on a fresh coat of oil and you are ready to go.

Filter Tech

PERRIN Performance intake filter elements use open cell foam to capture dust and dirt. Washable and reusable, PERRIN foam filter elements can last the life of yPerrin's vehicle. Foam filter elements offer superior performance with minimal airflow restriction and amazing dust holding capacity.

FITMENT

Subaru WRX 2002-2007

Subaru STI 2004-2007