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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!

This Part Fits:

Year	Make	Model	Submodel
2002-2008	Audi	A4	Base
2003-2009	Audi	A4	Cabriolet
2002-2008	Audi	A4 Quattro	Avant
2002-2008	Audi	A4 Quattro	Base
2004-2009	Audi	A4 Quattro	Cabriolet
2007-2008	Audi	RS4	Base
2008	Audi	RS4	Cabriolet
2004-2008	Audi	S4	Avant
2004-2008	Audi	S4	Base
2004-2009	Audi	S4	Cabriolet

K&N Engineering

K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter

SKU KNN33-2209

Regular price: $69.99

Year	Make	Model	Submodel
2002-2008	Audi	A4	Base
2003-2009	Audi	A4	Cabriolet
2002-2008	Audi	A4 Quattro	Avant
2002-2008	Audi	A4 Quattro	Base
2004-2009	Audi	A4 Quattro	Cabriolet
2007-2008	Audi	RS4	Base
2008	Audi	RS4	Cabriolet
2004-2008	Audi	S4	Avant
2004-2008	Audi	S4	Base
2004-2009	Audi	S4	Cabriolet

Regular price: $69.99

Quantity

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Total price$432.95

Product Description

Year	Make	Model	Submodel
2002-2008	Audi	A4	Base
2003-2009	Audi	A4	Cabriolet
2002-2008	Audi	A4 Quattro	Avant
2002-2008	Audi	A4 Quattro	Base
2004-2009	Audi	A4 Quattro	Cabriolet
2007-2008	Audi	RS4	Base
2008	Audi	RS4	Cabriolet
2004-2008	Audi	S4	Avant
2004-2008	Audi	S4	Base
2004-2009	Audi	S4	Cabriolet