K&N Engineering 33-2232 High-Flow Drop-In Air Filter for 2002–2007 Subaru Impreza WRX/STi

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! K&N's replacement High-Flow Air Filters are designed to increase horsepower while providing exceptional engine protection, and are covered by K&N's No-Hassle Lifetime Limited Warranty. Associated products: 99-5000 Filter Care Service Kit Aerosol

• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Million Mile Limited Warranty

Upgrade your Subaru Impreza WRX or STi with the K&N Engineering 33-2232 High-Flow Drop-In Air Filter. Designed as a direct replacement for the factory air filter, this washable and reusable filter fits into the original air box for a straightforward installation without requiring major modifications. Its layered, oiled cotton filter media is engineered to improve airflow while capturing contaminants that can reduce engine performance and protection.

The K&N Engineering 33-2232 is designed to support increased horsepower and responsive engine performance while providing reliable filtration for everyday driving and spirited use. Unlike disposable filters, this reusable automotive air filter is built to last for the life of the vehicle, helping reduce the waste associated with replacing conventional paper filters. For convenient maintenance, pair it with the K&N 99-5000 Filter Care Service Kit Aerosol.

This K&N high-flow replacement filter is backed by K&N's 10-Year/Million Mile Limited Warranty and is intended for select 2005–2007 Subaru Impreza applications, including WRX and STi models where applicable. Verify the vehicle's original air box and application before installation. This product is not CARB approved and may not be legal for sale or use in emissions-controlled applications where applicable.

What's Included

• One K&N Engineering 33-2232 washable, reusable high-flow air filter
• Installation-ready drop-in replacement design

Fitment

Designed for select 2005–2007 Subaru Impreza applications, including WRX and STi models. Confirm exact vehicle fitment before purchase.

Features:

• High-Flow Performance: Layered, oiled cotton media is engineered to improve airflow and support increased horsepower.
• Washable and Reusable: Designed for repeated service and extended use over the life of the vehicle.
• Factory Air Box Fitment: Drop-in replacement design installs into the original air box for convenient installation.
• Reduced Filter Waste: Reusable construction helps reduce the number of disposable air filters and packaging sent to landfills.

Fitments:
1986 Subaru RX Turbo
1987 Subaru RX Turbo
1988 Subaru RX Turbo
1989 Subaru RX Turbo
1990 Subaru Legacy Base
1990 Subaru Legacy L
1990 Subaru Legacy LS
1990 Subaru Loyale Base
1990 Subaru Loyale RS
1990 Subaru Loyale RS Turbo
1990 Subaru Loyale Turbo
1991 Subaru Legacy L
1991 Subaru Legacy LS
1991 Subaru Legacy LSi
1991 Subaru Legacy Sport
1991 Subaru Loyale Base
1992 Subaru Legacy L
1992 Subaru Legacy LS
1992 Subaru Legacy LSi
1992 Subaru Legacy Sport
1992 Subaru Loyale Base
1992 Subaru SVX LS
1992 Subaru SVX LSL
1993 Subaru Impreza Base
1993 Subaru Impreza L
1993 Subaru Impreza LS
1993 Subaru Legacy L
1993 Subaru Legacy LS
1993 Subaru Legacy LSi
1993 Subaru Legacy Sport
1993 Subaru Loyale Base
1993 Subaru SVX LSL
1994 Subaru Impreza Base
1994 Subaru Impreza L
1994 Subaru Impreza LS
1994 Subaru Legacy Alpine Sport
1994 Subaru Legacy GT
1994 Subaru Legacy L
1994 Subaru Legacy LS
1994 Subaru Legacy LSi
1994 Subaru Legacy Outdoor
1994 Subaru Legacy Sport
1994 Subaru Legacy Sun Sport
1994 Subaru Legacy Touring
1994 Subaru Loyale Base
1994 Subaru SVX L
1994 Subaru SVX LS
1994 Subaru SVX LSi
1995 Subaru Impreza Base
1995 Subaru Impreza L
1995 Subaru Impreza Outback
1995 Subaru Legacy Base
1995 Subaru Legacy Brighton
1995 Subaru Legacy L
1995 Subaru Legacy LS
1995 Subaru Legacy LSi
1995 Subaru Legacy Outback
1995 Subaru Legacy Postal
1995 Subaru SVX L
1995 Subaru SVX LS
1995 Subaru SVX LSi
1996 Subaru Impreza Brighton
1996 Subaru Impreza L
1996 Subaru Legacy Brighton
1996 Subaru Legacy GT
1996 Subaru Legacy L
1996 Subaru Legacy LS
1996 Subaru Legacy LSi
1996 Subaru Legacy Outback
1996 Subaru Legacy Postal
1996 Subaru SVX L
1996 Subaru SVX LSi
1997 Subaru Impreza Brighton
1997 Subaru Legacy Brighton
1997 Subaru Legacy GT
1997 Subaru Legacy L
1997 Subaru Legacy LSi
1997 Subaru Legacy Outback
1997 Subaru Legacy Outback Limited
1997 Subaru Legacy Postal
1997 Subaru SVX L
1997 Subaru SVX LSi
1998 Subaru Forester Base
1998 Subaru Forester L
1998 Subaru Forester S
1998 Subaru Legacy Brighton
1998 Subaru Legacy GT
1998 Subaru Legacy GT Limited
1998 Subaru Legacy L
1998 Subaru Legacy Outback
1998 Subaru Legacy Postal
1999 Subaru Forester Base
1999 Subaru Forester L
1999 Subaru Forester S
1999 Subaru Impreza L
1999 Subaru Impreza Outback
1999 Subaru Legacy Brighton
1999 Subaru Legacy GT
1999 Subaru Legacy L
1999 Subaru Legacy L 30th Anniversary
1999 Subaru Legacy Limited 30th Anniversary
1999 Subaru Legacy Outback
1999 Subaru Legacy Outback Limited
1999 Subaru Legacy SUS 30th Anniversary
2000 Subaru Legacy Brighton
2000 Subaru Legacy GT
2000 Subaru Legacy GT Limited
2000 Subaru Legacy L
2001 Subaru Legacy GT
2001 Subaru Legacy GT Limited
2001 Subaru Legacy L
2001 Subaru Outback L.L. Bean
2001 Subaru Outback VDC
2002 Subaru Impreza WRX
2002 Subaru Legacy GT
2002 Subaru Legacy GT Limited
2002 Subaru Legacy L
2002 Subaru Outback H6
2002 Subaru Outback L.L. Bean
2002 Subaru Outback VDC
2003 Subaru Impreza WRX
2003 Subaru Legacy GT
2003 Subaru Legacy L
2003 Subaru Legacy L SE
2003 Subaru Outback H6
2003 Subaru Outback L.L. Bean
2003 Subaru Outback VDC
2004 Subaru Legacy GT
2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2005 Subaru Impreza Outback Sport
2005 Subaru Impreza RS
2005 Subaru Impreza WRX STI
2006 Subaru Impreza 2.5i
2006 Subaru Impreza Outback Sport
2006 Subaru Impreza WRX
2006 Subaru Impreza WRX Limited
2006 Subaru Impreza WRX STI
2006 Subaru Impreza WRX TR
2007 Subaru Impreza 2.5i
2007 Subaru Impreza Outback Sport
2007 Subaru Impreza WRX
2007 Subaru Impreza WRX Limited
2007 Subaru Impreza WRX STI
2007 Subaru Impreza WRX STI Limited
2007 Subaru Impreza WRX TR

Air Freight Prohibited: false
Not Carb Approved: false
Ltl Freight Required: false
Prop 65: Y
Part Type: automotive
Epa: N/A
Carb Acknowledgement Required: false
Regular Stock: t
Units Per Sku: 1