DNA Performance Air Filter KTM 690 SMC / R 2008-24. 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 +50.98% more than the stock filter! DNA Performance Air Filter for the KTM 690 SMC / R. Installation of this DNA Air filter is very easy; simply follow the installation instructions included in the workshop manual. This DNA® filter is designed as a High Flow Air filter for:’Road, Off road & 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 2021-24. IXIL Race Xtrem Carbon Full System Yamaha MT-09 / SP 2021-23. IXIL Black Full System Low mount Honda Monkey 125 2018-24. CUSTOMERS OUTSIDE OF THE UK: VAT will not be charged on your order. Motorcycle Performance Store are official UK Distributors of Termignoni, QD, Ixil, Ixrace and SC Project Exhausts, T800 UpMap Bluetooth tuning modules, Puig Motoplastics, and DNA Performance Air Filters.