The DNA air filter for Ford Focus is a high-flow filter that fits 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: Ford Focus 1.8 l Diesel, 8/07-08
- Installation: In the factory airbox
- Reusability: Washable and reusable
- Features: Increased horsepower and acceleration, filtration