TIROL Air Filter Round Tapered Universal Auto Cold Air Intake Adjustable Neck 3"-3.5"-4" Blue Easy Installation, Works with 76mm, 88mm & 101mm air intake systems Inlet: 3.0 inch (will fit all 2.3" & 3.0" pipe) Diameter: 15cm(big side) Overall Height: 16cm(6.23inch) comes with a washable and reusable dry cone air filter, a Clamp and 3 Necks