The DNA high-flow air filter for the Audi A4 8W/B9 is designed for the factory airbox. It is washable and reusable, and is engineered to increase horsepower and acceleration while providing filtration.
- Type: High-flow air filter
- Compatibility: Audi A4 8W/B9 50 TDI 3.0 18–19
- Cleaning: Washable
- Reusable: Yes
- Installation: In the factory airbox