DNA KTM EXC 400/450/530, SX 125/144/250, SX-F 250/400/500, SXS 125/250, XC 200/250/300, XC-F450/505 and XC-W 200/250/300/450/530 motorcycle air filter adds horsepower while letting your dirtbike breathe better. The efficiency of DNA Filters maximizes breathable surface area compared to the OEM filter allowing you to get the most horsepower with 99% clean air filtration.Equivalent to KTM OEM: 77306015000 TECHNICAL FEATURES Features DNA's advanced FCd (Full Contour design) DNA Fcd air filter flow: CFM (Cubic feet per minute) @1,5" H2O corrected @ 25 degrees Celsius The DNA filter has a substantially higher airflow than the 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 EXC 125-200-250-400-450-530 Six Days (2007-2010) KTM EXC-E 300 Six Days (2008-2009) KTM EXC-F 250 Six Days (2008-2009) KTM EXC-R 450 Six Days (2008-2009) KTM SX 125-144-250 (2007-2009) KTM SX-F 250-400-500-505 (2007-2010) KTM SXS-F 250-450 (2007-2009) KTM XC 200-250-300 (2008-2009) KTM XC-F 450/505 (2008-2009) KTM XCF-W 250 (2008-2009) KTM XCR-W 450/530 (2008-2009) KTM XC-W 200-250-300-450-530 (2008-2009) KTM EXC-R 530 (2008)