S&B Filters 75-5057D DISCONTINUED: Replaced by Part # 75-5092D STREET LEGAL IN ALL US STATES: PENDING, Can not be shipped to California. 99.73 Percent Efficient 642 CFM (ISO Course Dust), FILTER TYPE DRY Comes with an S&B high performance disposable dry filter with 1" pleats for great power and mileage Voltage mapped to eliminate check engine codes Average flow increase over OE was: 49.1 percent with bottom of the box open and 38.4 percent with the box plug installed