K&N Engineering 33-2209 High-Flow Replacement Air Filter for Audi A4, S4, and RS4

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 intake performance with the K&N Engineering 33-2209 High-Flow Replacement Air Filter. Designed as a direct replacement for the factory air filter, this washable and reusable filter fits inside the original air box for a straightforward installation without requiring major intake modifications. Its layered, oiled cotton media is engineered to improve airflow while capturing contaminants that can reduce engine protection and performance.

The K&N 33-2209 is designed to support increased horsepower and responsive engine performance while providing dependable filtration for everyday driving. Unlike disposable filters, this reusable automotive air filter can be cleaned and serviced with the associated K&N 99-5000 Filter Care Service Kit Aerosol, helping reduce replacement waste over the life of the vehicle. K&N backs the filter with a 10-Year/Million Mile Limited Warranty for long-term value and confidence.

Fits select 2003-2009 Audi A4, A4 Quattro, S4, and RS4 applications. Verify vehicle-specific application details before installation. This product is intended for automotive use and is not identified as CARB approved; applicable emissions requirements should be confirmed before purchase or installation.

What's Included

• One K&N Engineering 33-2209 High-Flow Replacement Air Filter
• Installation-ready replacement filter for the factory air box

Features:

• High-Flow Filtration: Layered, oiled cotton media is engineered to promote increased airflow while capturing contaminants for dependable engine protection.
• Washable and Reusable: Designed to be cleaned and serviced for extended use, reducing reliance on disposable replacement filters.
• Direct-Install Design: Fits into the factory air box for a simple replacement installation without extensive intake system modifications.
• Long-Term Warranty Coverage: Backed by K&N's 10-Year/Million Mile Limited Warranty for lasting performance and value.

Fitments:
2002 Audi A4 Base
2002 Audi A4 Quattro Avant
2002 Audi A4 Quattro Base
2003 Audi A4 Base
2003 Audi A4 Cabriolet
2003 Audi A4 Quattro Avant
2003 Audi A4 Quattro Base
2004 Audi A4 Base
2004 Audi A4 Cabriolet
2004 Audi A4 Quattro Avant
2004 Audi A4 Quattro Base
2004 Audi A4 Quattro Cabriolet
2004 Audi S4 Avant
2004 Audi S4 Base
2004 Audi S4 Cabriolet
2005 Audi A4 Base
2005 Audi A4 Cabriolet
2005 Audi A4 Quattro Avant
2005 Audi A4 Quattro Base
2005 Audi A4 Quattro Cabriolet
2005 Audi S4 Avant
2005 Audi S4 Base
2005 Audi S4 Cabriolet
2006 Audi A4 Base
2006 Audi A4 Cabriolet
2006 Audi A4 Quattro Avant
2006 Audi A4 Quattro Base
2006 Audi A4 Quattro Cabriolet
2006 Audi S4 Avant
2006 Audi S4 Base
2006 Audi S4 Cabriolet
2007 Audi A4 Base
2007 Audi A4 Cabriolet
2007 Audi A4 Quattro Avant
2007 Audi A4 Quattro Base
2007 Audi A4 Quattro Cabriolet
2007 Audi RS4 Base
2007 Audi S4 Avant
2007 Audi S4 Base
2007 Audi S4 Cabriolet
2008 Audi A4 Base
2008 Audi A4 Cabriolet
2008 Audi A4 Quattro Avant
2008 Audi A4 Quattro Base
2008 Audi A4 Quattro Cabriolet
2008 Audi RS4 Base
2008 Audi RS4 Cabriolet
2008 Audi S4 Avant
2008 Audi S4 Base
2008 Audi S4 Cabriolet
2009 Audi A4 Cabriolet
2009 Audi A4 Quattro Cabriolet
2009 Audi S4 Cabriolet

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