Perrin Drop In Filter Subaru WRX 2008-2021 / STI 2008-2018 / Legacy GT 2005-2009 | PSP-INT-110 Vehicle Model_Baja For WRXs with basic bolt-on

For WRXs with basic bolt-on modifications

but GrimmSpeed is one of the first to offer this technology to the Subaru world

designed specifically for the purpose of turbo lag reduction

and as such

Perrin Drop In Filter Subaru WRX 2008-2021 / STI 2008-2018 / Legacy GT 2005-2009 | PSP-INT-110 Vehicle Model_Baja For WRXs with basic bolt-onFitment Information: 2008 2021 Subaru WRX 2008 2018 Subaru STI 2005 2009 Subaru Legacy GT Features: Increases airflow Improves power and torque Improves throttle response Filter Type Open Cell Foam Easy Installation Estimated Installation Time 10 Minutes 5 Year Manufacturer Warranty The Perrin drop in air filter for the Subaru WRX and STI uses a 2 stage foam filtration element to improve airflow in your stock air box; providing improved power and