99% filtration efficiency: the composite filter material can effectively filter out various impurities, hair, fines, dust, and flocs before they enter the engine. More layers of folds than standard air filters, allow maximum dirt and debris holding capacity
Protect engine: inferior air filter or overused air filter is easy to get clogged and restrict airflow to result in engine misfire, even makes the car difficult to start. PHILTOP air filter has a superior dirt-holding capacity, offering 2X engine protection
Increased fuel economy: PHILTOP air filter is designed to provide as much fresh air as possible to the engine, ensure full combustion of fuel, improve vehicle mileage per gallon, and optimize engine performance
Perfect sealing: the filter has a leak-proof polyurethane resin frame, a perfect fit for the housing. The frame can work well with filter paper, improve tight sealing performance while sealing out the dirt, and reducing noise efficiently
Warm tip: Air Filter fits Forester (2009-2018), Outback (2005-2019), Impreza (2008-2016), Legacy (2005-2019), WRX (2015-2020), WRX STI (2015-2018), Tribeca (2008-2014), Crosstrek (2016-2017), XV Crosstrek (2013, 2015), B9 Tribeca (2006-2007). Please enter your vehicle's year/make/model and then check the fitment