The DNA R-AD29RS25-0R high-flow air filter is designed for the factory airbox of the Audi A4 8W/B9. It is washable and reusable, and is designed to increase horsepower and acceleration while still providing filtration.
- Type: High-flow air filter
- Compatibility: Audi A4 8W/B9
- Installation: In the factory airbox
- Maintenance: Washable and reusable