Up to 99% engine protection Designed to meet or exceed OEM specifications Replace your old, dirty and restrictive paper air filter with this high quality unit from K&N. The drop-in, factory replacement design means adding... Offering a long-life solution for every driver, K&N’s performance technology is now available in a premium 18,000 Mile filter to provide you extended life compared to traditional 12,000 Mile disposable filters. K&N Performance Air Filter K&N has been the #1 Brand in Performance Air Filtration since 1969, bringing you the best in performance and protection for whatever you drive. K&N 33-5064 Hi-Flow Air Intake Filter for 2022-2025 Subaru WRX 2.4L & More Order your K&N replacement air filter Factory Direct today! Help your Subaru Crosstrek run better. Fast and FREE SHIPPING with any Subaru Crosstrek air filter With a premium synthetic or cellulose blend filter media, based on application, these filters provide up to 99% engine protection for your vehicle. They are designed to meet or exceed OEM specifications and will install easily into your factory air box in minutes. 18K longer service life: K&N Advantage plus air filters offer a 50% longer service life compared to standard filters with 20,000 km. Part Number Location X AUTOHAUX Car Engine Air Filter 16546-AA090 Replacement For Subaru Crosstrek 2013-2017 For Subaru Forester 2009-2018 18,000 Mile Replacement Air Filter HASSLE-FREE WARRANTY 1 year limited warranty.