The DNA air filter is a high-flow filter that fits in the factory airbox of the Citroen C4 SpaceTourer. It is washable and reusable, and is designed to increase horsepower and acceleration while providing filtration.
- Type: High-flow air filter
- Compatibility: Citroen C4 SpaceTourer 1.5d, 2018–2022
- Reusable: Washable and reusable
- Installation: In the factory airbox
- Features: Increased horsepower and acceleration, filtration