The DNA air filter for the KTM 690 Duke increases airflow by 20% compared with the OEM filter, delivering 174.50 CFM versus 145.40 CFM. Filtration efficiency is 98–99%.
It consists of four layers of cotton material between two layers of wire mesh and has a pleated design. The cotton is impregnated with filter oil, while the frame is made of elastomeric polyurethane and the seal is made of EVA.
- Type: Motorcycle air filter
- Compatibility: KTM 690 Duke 2012–2019
- OEM filter airflow: 145.40 CFM
- Filter airflow: 174.50 CFM
- Airflow increase: 20%
- Filtration efficiency: 98–99%
- Filter material: Multi-layer cotton gauze
- Cotton layers: 4
- Wire mesh layers: 2
- Impregnation: Filter oil
- Frame: Elastomeric polyurethane
- Seal: EVA