DNA Performance Air Filter HUSQVARNA VITPILEN 401 2018-23. DNA Performance Air Filter HUSQVARNA VITPILEN 401 DNA Performance Air Filters are designed to increase horsepower and acceleration whilst providing excellent filtration. These filters are washable and reusable and are custom designed to fit into your existing factory air box. Their drop-in design means adding performance is simple. They offer bigger air-flow, with almost 99% filtering efficiency. A specially made Laser cut supporting frame is embedded in the DNA filter. The filtering efficiency is extremely high at 98-99% filtering efficiency (ISO 5011), with 4 layers of DNA Cotton. The filtering efficiency is extremely high at 98-99% filter efficiency with 4 layers of DNA Cotton The flow of this new DNA filter is +23.87% more than the stock KTM filter DNA Air filter flow – 113.90 CFM (Cubic feet per minute) KTM Stock filter flow – 91.95 CFM (Cubic feet per minute) This DNA filter is designed as a High flow filter for Race use. DNA Performance Air Filters are designed to increase horsepower and acceleration whilst providing excellent filtration. The filtering efficiency is extremely high at 98-99% filter efficiency with 4 layers of DNA Cotton. The flow of this new DNA filter is +23.87% more than the stock KTM filter. DNA Air filter flow – 113.90 CFM (Cubic feet per minute). KTM Stock filter flow – 91.95 CFM (Cubic feet per minute). This DNA filter is designed as a High flow filter for 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 2018-24.