K&N 04-07 Subaru STi K&N Drop In Air Filter

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K&N washable, reusable High-Flow Air Filters feature a state-of-the-art design of layered, oiled cotton media engineered to improve airflow and capture contaminants, and are designed to provide an increase in horsepower. Each performance air filter is reusable, engineered to last for the entire lifespan of your vehicle, and backed by K&N's 10-Year/Million Mile Limited Warranty. K&N drop-in replacement filters are designed to install easily into your factory air box. Upgrade today and start enjoying superior airflow and superior performance from K&N's most popular product!
Technical Bulletin


This Part Fits:

Year	Make	Model	Submodel
2004-2006	Subaru	Baja	Turbo
2008	Subaru	Forester	Sports 2.5 X
2008	Subaru	Forester	Sports 2.5 XT
2003-2008	Subaru	Forester	X
2006-2008	Subaru	Forester	X L.L. Bean Edition
2003-2005	Subaru	Forester	XS
2005	Subaru	Forester	XS L.L. Bean Edition
2004-2005	Subaru	Forester	XT
2006-2008	Subaru	Forester	XT Limited
2005	Subaru	Forester	XT Premium
1999	Subaru	Impreza	RS
2004-2005	Subaru	Impreza	WRX
2004	Subaru	Impreza	WRX STI
2004	Subaru	Outback	H6 VDC