PERRIN Panel Air Filter for 2015-2021 WRX Forge Motorsport These fasteners deliver a 35%

These fasteners deliver a 35% increase in tensile strength over OEM

• All clamps necessary for installation

Fits 2004-2021 STi

Discounts are not available for AEM products

The PERRIN Engine Cover Kit keeps this functionality and keeps air flowing properly to your top mount intercooler while looking much more appealing that the OEM plastic cover

PERRIN Panel Air Filter for 2015-2021 WRX Forge Motorsport These fasteners deliver a 35%Dont 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