The DNA Filters air filter for the Kawasaki Z 400 ABS uses four layers of cotton gauze between two layers of wire mesh and is impregnated with oil. Its airflow is 160 CFM, compared with 122 CFM for the stock filter, while filtration efficiency ranges from 98% to 99%. FCd technology allows the pleated filter to follow the contours of the airbox, increasing the filtration surface area.
- Type: Motorcycle air filter
- Filter material: Oil-impregnated cotton gauze
- Filter layers: 4 layers of cotton between 2 layers of wire mesh
- Airflow: 160 CFM
- Stock filter airflow: 122 CFM
- Increase in airflow: 31.15%
- Filtration efficiency: 98%–99%
- Technology: DNA FCd
- Frame: DNA PU
- Seal: DNA EVA closed-cell foam
- Compatibility: Kawasaki Ninja 400