K&N 33-2209 Drop In Air Filter for 01-09 A4/RS4/S4
KNN33-2209
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Prop 65 Warning:
This product can expose you to chemicals known to the State of California to cause cancer
and birth defects or other reproductive harm.
Learn more.
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!
Technical BulletinThis 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 |
