DNA PERFORMANCE AIR FILTER HONDA CBR500R 2013-18. DNA PERFORMANCE AIR FILTER HONDA CBR500R Installation of the filter is very easy; simply follow the information that can be found in the Honda workshop manual. The filtering efficiency is extremely high at 98-99% filtering efficiency, with 4 layers of DNA® Cotton. The flow of this New DNA Filter is very high, +35.00% more than the Honda stock paper filter! This DNA High performance air filter is a high quality, next generation, multi-layer cotton gauze, oil impregnated air filter that NEVER needs replacing. Please observe how this filter has been designed to replace the OE filter. DNA PERFORMANCE AIR FILTER HONDA CBR500R. Installation of the filter is very easy; simply follow the information that can be found in the Honda workshop manual. DNA air filter flow:73.00 CFM. Honda stock paper filter: 54.10 CFM. This DNA® filter is designed as a High flow filter for road, off road and race use. No additional information at this time. You might also like. IXIL Hyperlow Dual Exit Silencer HONDA CBR125R 2011-16. IXIL L2X Hyperlow Full System – Honda MSX125 2021-23. IXIL Race Xtrem Carbon Full System Yamaha MT-09 / SP 2021-23. IXIL Black Full System Low mount – Honda Monkey 125 2018-23.