The DNA high-flow air filter for the Smart Fortwo Cabrio 0.8 l Diesel is designed to fit in the factory airbox. It is washable and reusable, and is designed to increase horsepower and acceleration while providing filtration.
- Type: High-flow air filter
- Compatibility: Smart Fortwo Cabrio 0.8 l Diesel 451 (2007–2014)
- Reusable: Washable and reusable
- Installation: In the factory airbox