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!
Specifications:
Vehicle applications:
| Make | Model | Engine | Year | Specific |
|---|---|---|---|---|
| Audi | A8 | 2.8L V6 Gas | 2007-2009 | |
| Audi | A8 | 3.0L V6 Gas | 2002-2010 | |
| Audi | A8 | 3.2L V6 Gas | 2005-2009 | |
| Audi | A8 | 3.7L V8 Gas | 2004-2007 | |
| Audi | A8 | 3.7L V8 Gas | 2002-2003 | w/Round Filter |
| Audi | A8 | 4.0L V8 Diesel | 2003-2008 | All (2 required) |
| Audi | A8 | 4.2L V8 Gas | 2002-2004 | |
| Audi | A8 Quattro | 3.0L V6 Diesel | 2010-2010 | Except 250BHP |
| Audi | A8 Quattro | 3.0L V6 Diesel | 2002-2009 | |
| Audi | A8 Quattro | 4.2L V8 Diesel | 2010-2010 | Except 351BHP (2 required) |
| Audi | A8 Quattro | 4.2L V8 Diesel | 2005-2009 | All (2 required) |
| Audi | A8 Quattro | 4.2L V8 Gas | 2004-2010 | |
| Audi | A8 Quattro | 6.0L W12 Gas | 2005-2008 | US Models Only (2 required) |
| Audi | S8 | 5.2L V10 Gas | 2008-2008 | US Models Only (2 required) |
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