advanced FLOW engineering (aFe), an industry leader in performance intakes, filters, manifolds and exhaust systems is pleased to announce the release of their new performance air filter for the popular new Subaru Impreza WRX and STI #30-10161 (Pro 5R) and #31-10161 (Pro Dry S). All aFe performance air filters produce high flow to increase horsepower, torque, throttle response and fuel mileage. The unique polyurethane progressive bump seal provides a superior seal and keeps debris flowing through the filter.  All aFe filters are washable and reusable and have a limited lifetime warranty.  The Pro 5R filter features 5-layers of progressive cotton gauze media for maximum airflow and performance. The Pro Dry S filter is a 2-layer synthetic media that requires no special oils and can be cleaned with soap and water.

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These filters also fit the 2005-08 Subaru Legacy, Legacy GT, Outback, 2006-2009 Subaru Tribeca and 2009 Subaru Forester.

In recent testing, part number 30-10161 flowed 37% more than the factory air filter.

Part Number 30-10161 has an MSRP of $57.65 and is available in stores now.
Part Number 31-10161 has an MSRP of $56.47 and is available in stores now.

For more information on this or any other aFe product, please visit our website at http://www.aFepower.com or contact our technical service department at 1-951-493-7100.