DNA Honda CB 650 RA / CBR 650 RA air filter adds horsepower while letting your sportbike breathe better. The efficiency of DNA Filters maximizes breathable surface area compared to the OEM filters allowing you to get the most horsepower on any track day event.Equivalent to Honda OEM: 17210MKND50 TECHNICAL FEATURES Features DNA's advanced FCd (Full Contour design) DNA Fcd air filter flow: 197.8 CFM (Cubic feet per minute) @1,5" H2O corrected @ 25° Celsius The DNA filter has a 31.2% higher airflow than the Honda 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 reusable Drop-In Hassle Free Installation (simply follow the information in the workshop manual) Lifetime Warranty FITS Honda CB 650 R/A (2014+) Honda CBR 650 R/A (2019+)