DNA Performance Air Filter – KAWASAKI ZH2 2020-23. Installation of this DNA Air filter is very easy; simply follow the installation instructions included in the Kawasaki workshop manual. The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA® Cotton. The flow of this DNA filter is +19.26% higher than the Kawasaki stock paper filter! DNA Performance Air Filter – KAWASAKI ZH2. OEM Air Filter Air Flow: 115.30 CFM. DNA Air Filter Air Flow: 137.50 CFM. DNA Increased Air Flow: +19.26%. DNA Filtering Efficiency: 98-99%. This filter features DNA®’s advanced FCd. This DNA® filter is designed as a High flow Air filter for:’Race & Road use’. No additional information at this time. You might also like. IXIL Race Xtrem Carbon Full System Yamaha MT-09 / SP 2021-23. IXIL Black Hyperlow Full System Yamaha MT-09 / SP 2021-23. IXIL Black Hyperlow Full System Yamaha XSR 900 2022-23. IXIL Black Full System Low mount – Honda Monkey 125 2018-23.