2004-2008 F-150 Replacement Air Filter (KF-1031)Description Note: The S&B Intake Kit for this filter has multiple versions. If you've got an S&B intake for your rig it may need a replacement filter down the road. This replacement unit is a direct fit for S&B intakes, in cleanable re useable form or classic dry replaceable form. With this, you can keep your engine breathing clearly and making the horsepower you bought the intake for in the first place. Available in either 8 layer Cotton Cleanable or