The DNA air filter is a high-flow air filter for the Seat Leon II 1.8 TSI. It is designed to fit in the factory airbox and can be washed and reused. Its purpose is to increase horsepower and acceleration while also providing filtration.
- Type: High-flow air filter
- Compatibility: Seat Leon II 1.8 TSI, 2005–2013
- Installation: In the factory airbox
- Reusable: Yes