The DNA air filter is a free-flow filter for the 2013–2018 Seat Leon 1.8 petrol. It is designed to fit in the factory airbox and can be washed and reused. It is designed to increase horsepower and acceleration while also filtering the air.
- Type: Free-flow air filter
- Compatibility: 2013–2018 Seat Leon 1.8 petrol
- Installation: In the factory airbox
- Reusable: Yes
- Washable: Yes