DNA KTM Duke 390 air filter adds horsepower while letting your sportbike breathe better. The efficiency of DNA High-Performance Filters maximizes breathable surface area compared to the OEM filters allowing you to get the most horsepower on any track day event. *Please note that KTM Duke 390 (2013-2016) use part DNA-R-KT1SM11-0REquivalent to KTM OEM: 93006015000 TECHNICAL FEATURES Features DNA's advanced FCd (Full Contour design) DNA Fcd air filter flow: 96 CFM (Cubic feet per minute) @1,5" H2O corrected @ 25 degrees Celsius The DNA filter has a 123.87% higher airflow than the KTM stock paper filter! Extremely high filtering efficiency of 98-99%, with 4 layers of DNA Next Generation Premium Cotton These air filters are washable and resusable Drop-In Hassle Free Installation (simply follow the information in the workshop manual) Lifetime Warranty FITS KTM Duke 390 (2017+) KTM Duke 250 (2017+) KTM Duke 200 (2017+)