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.
- 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
Fitment:
Audi A4 Base 2002 to 2008
Audi A4 Cabriolet 2003 to 2009
Audi A4 Quattro Avant 2002 to 2008
Audi A4 Quattro Base 2002 to 2008
Audi A4 Quattro Cabriolet 2004 to 2009
Audi RS4 Base 2007 to 2008
Audi RS4 Cabriolet 2008
Audi S4 Avant 2004 to 2008
Audi S4 Base 2004 to 2008
Audi S4 Cabriolet 2004 to 2009
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