Description Reviews K&N's Air Filters RU-1480 is designed and manufactured for a wide variety of applications. Regardless of the angle, offset diameter of the air intake, there is a K&N Universal air filter for your equipment. All filters are constructed with ultra-strong molded pliable rubber flanges which absorb vibration and allow for secure attachment and can also be stretched for up to 1/16" (1.5mm) to fit in-between sizes. K&N Universal air filters are available in round, tapered (cone style) and oval designs, for just about any special application. This is a replacement filter for most R53 intakes like they DDM Works. Part RU-1480 Product Specifications: Product Style: Round Straight Universal Air Filter Filter Material: Cotton Gauze Flange Angle: 10 degrees Flange Inside Diameter: 2.75 in (70 mm) Flange Length: 1 in (25 mm) Flanges: 1 Flange Type: Angled Height: 7 in (178 mm) Outside Diameter: 4 in (102 mm) Top Material/Finish: None Top Style: Rubber Filter Re-Oiling Amount: 0.69 oz (21 ml) Inner Wire: No Need to clean the filter? Use this cleaning kit! ***Please note - this cannot be exported outside of the USA.***