K&N Engineering 33-2154 High-Flow Replacement Air Filter for Subaru Impreza and Legacy

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 vehicle’s factory air intake with the K&N Engineering 33-2154 High-Flow Replacement Air Filter. Designed as a direct drop-in replacement for the original equipment filter, it fits inside the factory air box for straightforward installation without major intake system modifications. Its layered, oiled cotton media is engineered to increase airflow while capturing contaminants to help support engine protection and performance.

The reusable K&N Engineering 33-2154 air filter is washable and designed to serve for the life of the vehicle when properly maintained. Replacing disposable filters with a reusable alternative can help reduce landfill waste and ongoing replacement requirements. The filter is backed by K&N’s 10-Year/Million Mile Limited Warranty, providing long-term coverage for qualifying applications. For cleaning and re-oiling, use the associated K&N 99-5000 Filter Care Service Kit Aerosol.

• Feature: High-flow design helps improve airflow to support increased horsepower and responsive engine performance.
• Feature: Layered, oiled cotton media captures contaminants while maintaining efficient airflow.
• Feature: Washable and reusable construction is designed to last for the life of the vehicle with proper service.
• Feature: Direct drop-in replacement installs into the factory air box for convenient application.

Product Specifications and Technical Data

• Brand: K&N Engineering
• Part Number: 33-2154
• Product Type: Automotive replacement air filter
• Filter Media: Layered, oiled cotton
• Serviceability: Washable and reusable
• Installation: Factory air box drop-in replacement
• Warranty: K&N 10-Year/Million Mile Limited Warranty
• Emissions Information: Not CARB approved; EPA status listed as N/A

What's Included

• K&N Engineering 33-2154 High-Flow Replacement Air Filter

Fitment: Designed for select 1999–2004 Subaru Impreza and 2004 Subaru Legacy applications, including the listed 1999, 2000, 2001, 2002, 2003, and 2004 Subaru Impreza models. Confirm vehicle year, engine, and factory air box configuration before ordering.

Features:

• High-flow layered cotton media helps improve airflow and support increased horsepower.
• Oiled filter media captures contaminants while supporting engine protection.
• Washable and reusable construction is designed for long-term service and reduced disposable filter waste.
• Direct drop-in replacement installs easily into the factory air box.

Fitments:
1996 Subaru Legacy GT
1996 Subaru Legacy LSi
1996 Subaru Legacy Outback
1997 Subaru Legacy GT
1997 Subaru Legacy LSi
1997 Subaru Legacy Outback
1997 Subaru Legacy Outback Limited
1998 Subaru Legacy GT
1998 Subaru Legacy GT Limited
1998 Subaru Legacy Outback
1999 Subaru Forester Base
1999 Subaru Forester L
1999 Subaru Forester S
1999 Subaru Impreza L
1999 Subaru Impreza Outback
1999 Subaru Impreza RS
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 Forester Base
2000 Subaru Forester L
2000 Subaru Forester S
2000 Subaru Impreza L
2000 Subaru Impreza Outback
2000 Subaru Impreza RS
2000 Subaru Legacy Brighton
2000 Subaru Legacy GT
2000 Subaru Legacy GT Limited
2000 Subaru Legacy L
2000 Subaru Outback Base
2000 Subaru Outback Limited
2001 Subaru Forester Base
2001 Subaru Forester L
2001 Subaru Forester S
2001 Subaru Impreza L
2001 Subaru Impreza Outback
2001 Subaru Impreza RS
2001 Subaru Legacy GT
2001 Subaru Legacy GT Limited
2001 Subaru Legacy L
2001 Subaru Outback Base
2001 Subaru Outback Limited
2002 Subaru Forester Base
2002 Subaru Forester L
2002 Subaru Forester S
2002 Subaru Impreza Outback
2002 Subaru Impreza RS
2002 Subaru Impreza TS
2002 Subaru Legacy GT
2002 Subaru Legacy GT Limited
2002 Subaru Legacy L
2002 Subaru Outback Base
2002 Subaru Outback Limited
2003 Subaru Baja Base
2003 Subaru Baja Sport
2003 Subaru Forester X
2003 Subaru Forester XS
2003 Subaru Impreza Outback
2003 Subaru Impreza RS
2003 Subaru Impreza TS
2003 Subaru Legacy GT
2003 Subaru Legacy L
2003 Subaru Legacy L SE
2003 Subaru Outback Base
2003 Subaru Outback Limited
2004 Subaru Baja Sport
2004 Subaru Forester X
2004 Subaru Forester XS
2004 Subaru Impreza Outback
2004 Subaru Impreza RS
2004 Subaru Impreza TS
2004 Subaru Legacy GT
2004 Subaru Legacy L
2004 Subaru Legacy L 35th Anniversary
2004 Subaru Outback Base
2004 Subaru Outback Limited
2005 Subaru Baja Sport
2006 Subaru Baja Sport

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