K&N Engine Air Filter: Extended Life 24,000 Mile Replacement Air Filter: Compatible with 2003-2019 Subaru H4/H6 1.5/2.0/2.5/3.6L (Forester, Legacy, Outback, Impreza, WRX, Levorg, Crosstrek), KNX-2304

K&N Performance Air FilterK&N has been the #1 Brand in Performance Air Filtration since 1969, bringing you the best in performance and protection for whatever you drive. Offering a long-life solution for every driver, K&N’s performance technology is now available in a premium 24,000-mile filter to provide you 2X the usage life compared to traditional 12,000-mile disposable filters. With a specially-treated synthetic or cellulose blend filter media, based on application, these filters provide up to 99.5% 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.Features:Premium 24,000-mile filter lifeUp to 99.5% engine protectionMeets or exceeds OEM specificationsEasy installation in minutesCompatible Vehicles:2006-2007 SUBARU B9 Tribeca2016-2017 SUBARU Crosstrek2004-2019 SUBARU Forester2011-2013 SUBARU Forester Turbo2008-2016 SUBARU Impreza2005-2019 SUBARU Legacy2005-2009 SUBARU Legacy GT2004-2019 SUBARU Outback2008-2014 SUBARU Tribeca2012-2019 SUBARU WRX2013-2015 SUBARU XV Crosstrek2012-2019 SUBARU WRX STI

• RUGGED CONSTRUCTION: K&N Advantage Plus Air Filters are manufactured with durable, premium materials to last for up to 24,000 miles of use.
• EXTENDED LIFE 24K: K&N Advantage Plus Air Filter provides 2x longer life compared to standard 12,000-mile filters.
• SUPERIOR FILTRATION & PROTECTION: K&N uses a specially-treated premium media that provides up to 99.5% efficiency to protect your engine.
• IMPROVE ENGINE PERFORMANCE: The specially-treated filter media provides improved airflow to your engine for premium engine performance (Compared to K&N Advantage 18k mile air filters)
• REPLACE EVERY 24K Miles: Engine air filter only needs to be replaced every 24,000 Miles under normal highway driving conditions (2 years based on the average miles driven per year of 12,000 miles)