The DNA air filter for the Citroen C4 is a high-flow filter designed to fit in the existing factory airbox. It is washable and reusable, and is designed to increase horsepower and acceleration while providing filtration.
- Type: High-flow air filter
- Compatibility: Citroen C4 1.6L 08–10
- Installation: In the factory airbox
- Maintenance: Washable and reusable