The DNA air filter for the KTM 125 Duke is made from four layers of cotton gauze positioned between two layers of wire mesh. Airflow reaches 79.76 CFM, compared with 39.53 CFM for the factory filter, while filtration efficiency is 98–99%. The cotton material is oil-impregnated, and the frame is made of polyurethane.
The DNA FCd design adapts the pleats to the shape of the airbox and increases the filtration area. 5000-series aluminum wire supports the cotton layers, while the EVA seal is resistant to fuel, oil, and high temperatures.
- Type: Motorcycle air filter
- Compatibility: KTM 125 Duke, KTM DUKE
- Filter material: Four layers of cotton gauze
- Wire mesh layers: 2
- Filter airflow: 79.76 CFM
- Factory filter airflow: 39.53 CFM
- Airflow increase: 101.75%
- Filtration efficiency: 98–99%
- Wire material: 5000-series aluminum
- Frame material: Polyurethane
- Seal material: EVA
- Design technology: DNA FCd