aFe Pro Dry S Drop-In Air Filter Subaru WRX / STI 2008-2021 | 31-10161 Vehicle Model_XV Crosstrek any REAL racer

any REAL racer

risking overheating and other possible engine damage

control box

perfect for building a custom kit or adding on to an existing OEM reservoir system

ACT pressure plates have precision cover stampings to provide rigidity and consistency

aFe Pro Dry S Drop-In Air Filter Subaru WRX / STI 2008-2021 | 31-10161 Vehicle Model_XV Crosstrek any REAL racerPart #: 31 10161 The aFe high flow, oil free OE replacement drop in performance filter will out flow Subaru's stock paper filter which results in improved horsepower and torque for your EJ25 powered WRX. The Pro Dry S is composed of two layers of progressively finer mesh synthetic media provide convenience and easy maintenance, plus maximum airflow for superb performance results. Washable and reusable for many cleaning cycles, the tall evenly spaced