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The IAG V4 Air Oil Separator (AOS) is designed to protect and improve the performance of your 2006-2007 Subaru WRX or 2004-2007 STI by intercepting crankcase blow-by oil before it reaches the intake tract
9K/9K Spring Rates
and for harsh weather driving environments
This is particularly relevant on high-mileage cars where worn bushings allow the toe to shift dynamically
Fixed Rate for Simplicity
aFe 19-24 Toyota RAV4 Magnum FLOW OE Replacement Pro 5R Air Filter Hyundai-Veloster-N-2022 The IAG V4 Air OilConstructed with 100 percent polyurethane boxed frame, this high flow, oiled OE replacement performance filter will outflow the stock filter for improved horsepower and torque. Five layers of progressively finer mesh cotton gauze media provide maximum airflow for best performance results. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excellent dust holding capacity for longer service cycle between