The DNA R-AD29RS25-0R high-flow air filter is designed for the factory airbox of the Audi S4. It is designed to increase horsepower and acceleration while providing filtration. It is washable and reusable.
- Type: High-flow air filter
- Compatibility: Audi S4 8w/b9 TFSI 3.0 16-19
- Fitment: Factory airbox
- Cleaning: Washable
- Reusable: Yes