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aFe Direct Fit Magnum Pro S Performance Air Filter - 08-20 WRX / 08-18 STI/ 14+ Forester / 13+ Crosstrek

Both filters are constructed with 100% polyurethane on all four sides, your choice between a high flow "oil-free" filter or oiled filter. These filters will outflow the stock paper filter for improved horsepower and torque.

Dry Filter:

Two layers of progressively finer mesh synthetic media provide maximum convenience and easy maintenance. Washable and reusable for multiple cleaning cycles, the tall open evenly spaced pleats provide excel. . . Show More >


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