Article no.:
33-2209
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K&N 01-09 Audi A4/RS4/S4 Drop In Air Filter
Upgrade your Audi A4/RS4/S4 with the K&N 01-09 Drop In Air Filter, designed to increase horsepower and acceleration while providing excellent filtration. This washable and reusable air filter is custom designed to fit into your existing factory air box, making installation a breeze.
- Increases horsepower and acceleration
- Excellent filtration
- Washable and reusable
- Custom designed to fit into your existing factory air box
- Backed by K&N's Million-Mile Limited Warranty
| Make | Model | Year | Type |
|---|---|---|---|
| Audi | A4 | 2002 | Base |
| Audi | A4 | 2003 | Base |
| Audi | A4 | 2003 | Cabriolet |
| Audi | A4 | 2004 | Base |
| Audi | A4 | 2004 | Cabriolet |
| Audi | A4 | 2005 | Base |
| Audi | A4 | 2005 | Cabriolet |
| Audi | A4 | 2006 | Base |
| Audi | A4 | 2006 | Cabriolet |
| Audi | A4 | 2007 | Base |
| Audi | A4 | 2007 | Cabriolet |
| Audi | A4 | 2008 | Base |
| Audi | A4 | 2008 | Cabriolet |
| Audi | A4 | 2009 | Cabriolet |
| Audi | A4 Quattro | 2002 | Avant |
| Audi | A4 Quattro | 2002 | Base |
| Audi | A4 Quattro | 2003 | Avant |
| Audi | A4 Quattro | 2003 | Base |
| Audi | A4 Quattro | 2004 | Avant |
| Audi | A4 Quattro | 2004 | Base |
| Audi | A4 Quattro | 2004 | Cabriolet |
| Audi | A4 Quattro | 2005 | Avant |
| Audi | A4 Quattro | 2005 | Base |
| Audi | A4 Quattro | 2005 | Cabriolet |
| Audi | A4 Quattro | 2006 | Avant |
| Audi | A4 Quattro | 2006 | Base |
| Audi | A4 Quattro | 2006 | Cabriolet |
| Audi | A4 Quattro | 2007 | Avant |
| Audi | A4 Quattro | 2007 | Base |
| Audi | A4 Quattro | 2007 | Cabriolet |
| Audi | A4 Quattro | 2008 | Avant |
| Audi | A4 Quattro | 2008 | Base |
| Audi | A4 Quattro | 2008 | Cabriolet |
| Audi | A4 Quattro | 2009 | Cabriolet |
| Audi | RS4 | 2007 | Base |
| Audi | RS4 | 2008 | Base |
| Audi | RS4 | 2008 | Cabriolet |
| Audi | S4 | 2004 | Avant |
| Audi | S4 | 2004 | Base |
| Audi | S4 | 2004 | Cabriolet |
| Audi | S4 | 2005 | Avant |
| Audi | S4 | 2005 | Base |
| Audi | S4 | 2005 | Cabriolet |
| Audi | S4 | 2006 | Avant |
| Audi | S4 | 2006 | Base |
| Audi | S4 | 2006 | Cabriolet |
| Audi | S4 | 2007 | Avant |
| Audi | S4 | 2007 | Base |
| Audi | S4 | 2007 | Cabriolet |
| Audi | S4 | 2008 | Avant |
| Audi | S4 | 2008 | Base |
| Audi | S4 | 2008 | Cabriolet |
| Audi | S4 | 2009 | Cabriolet |
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