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
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