IRC QUICKSHIFTER / AUTO BLIPPER KTM 1290 SUPER DUKE R & GT. OEM Air Filter Air Flow : 147.50 CFM. DNA Air Filter Air Flow : 184.90 CFM. DNA Increased Air Flow : 25.30 %. DNA Filtering Efficiency : 98-99%. This filter features DNA’s advanced FCd and it is specially developed for Adventure Expedition Touring, on & off road. Installation of this new DNA Air filter is very easy, simply follow the installation instructions included in the KTM 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 new DNA Fcd filter is 25.30 % more than the KTM stock paper filter! This DNA filter is designed as a High flow Air filter for:’Road, Race& Off road use’. For any additional information on these or any other tuning modification please do not hesitate to get in touch. Regards P3 Tuning Ltd. UK and European Union. Norway, Switzerland and rest of Europe. The rest of the world. Based in Liverpool England we are a motorcycle performance tuning centre working with race teams and riders in all levels of the sport from BSB, TT, Thundersport GB and club championships, with years experience and knowledge only supplying the highest quality, tested performance parts and now offer them here.