The DNA high-flow air filter is designed for the existing factory airbox of the 2014–2018 Ford Focus with a 1.5 L diesel engine. It is washable and reusable, and is designed to increase horsepower and acceleration while filtering the air.
- Type: High-flow air filter
- Compatibility: 2014–2018 Ford Focus 1.5 L diesel
- Installation: Fits in the factory airbox
- Maintenance: Washable and reusable