The DNA air filter is a free-flow filter for the Audi A1 with a 1.0 l petrol engine. It is designed to fit in the factory airbox and can be washed and reused. Its design aims to increase horsepower and acceleration while filtering the air.
- Type: Free-flow air filter
- Brand: DNA
- Vehicle: Audi A1
- Engine: 1.0 l petrol
- Compatible years: 2015–2021
- Installation: In the factory airbox
- Cleaning: Washable
- Reusable: Yes