PERRIN Panel Air Filter for 2015-2021 WRX Forge Motorsport Before you start

Before you start

(1) Tie Down

Installation Instructions:

• All clamps necessary for installation

Fits 2004-2021 STi

PERRIN Panel Air Filter for 2015-2021 WRX Forge Motorsport Before you startDont let a flimsy paper filter get between you and true performance. The PERRIN 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 aerosol cleaner and spray oil. After all, more air equals more power! Fits these Applications: 2015 2021 Subaru WRX Open Cell Foam Element: PERRIN foam filters are made of reticulated