PHILTOP Engine Air Filter CA9997 Replacement for Subaru Impreza (2008-2016), Legacy (2005-2019), Outback (2005-2019), WRX (2015-2018), Forester (2009-2018), Tribeca (2008-2014)

[Vehicle Fitment]: Compatible with Subaru B9 Tribeca 2006-2007, Crosstrek 2016-2017, Forester 2009-2018, Impreza 2008-2016, Legacy 2005-2019, Outback 2005-2019, Tribeca 2008-2014, WRX 2013-2021, WRX STI 2013-2018, XV Crosstrek 2013-2015. [High efficiency filtration]: PHILTOP air filters have a very high filtration efficiency, typically over 99.6%, ensuring that the engine draws in clean air. This prevents engine wear and optimizes performance. [Improved Fuel Economy]: Cleaner intake air improves the efficiency of the fuel combustion process, which improves fuel economy and reduces emissions. A well-maintained air filter is critical to environmental protection and economical driving. [Installs in 5 minutes]: OE design for direct installation. No special tools or modifications required. Self-installation is easy and convenient. [Note]: Check if the air filter matches your vehicle by using the fit filter box and we recommend changing your air filter every 10000-12000 miles, or 5000-6000 miles if always driving in dusty or damp conditions