Designed as a High flow filter for road and off road use; Full Contour design; Easy installation; 98-99% filtering efficiency, with 4 layers of DNA® cotton; DNA Increased Air Flow: 59,60%; DNA air filter flow: 180,30 CFM (Cubic feet per minute) @1,5"H2O corrected @ 25degrees Celsius; OEM stock filter: 113,00 CFM (Cubic feet per minute) @1,5"H2O corrected @ 25degrees Celsius