The DNA free-flow air filter for the Smart Fortwo 453 1.0L is designed to increase horsepower and acceleration while filtering the air. It fits into the existing factory airbox and can be washed and reused.
- Type: Free-flow air filter
- Compatibility: Smart ForTwo 453 1.0L, 2014–2018
- Washable: Yes
- Reusable: Yes
- Installation: In the factory airbox