K&N RU-5181 Features:

Regardless of the angle or offset diameter of an air intake, there is probably a K& N Universal air filter for your equipment. K& N universal air filters are washable and reusable.

• ENGINEERED POWER: State-of-the-art air filter media is designed to increase horsepower and acceleration as well as improve overall engine performance
• 6 LAYERS OF PROTECTION: Multiple layers of premium cotton gauze treated with a specially-designed tacking agent work together to create an intricate mesh of engine filter media that is designed to block and trap harmful contaminants
• RUGGED CONSTRUCTION: K& N Universal Air Filters are manufactured with durable, premium materials and state-of-the-art construction methods to last a lifetime
• CLEAN ONCE EVERY 5 YEARS: Engine air filter only needs cleaning every 75,000 miles under normal highway driving conditions (5 years based on the average miles driven per year of 15,000 miles)
• EASY INSTALLATION: K& N Air Filters are pre-oiled and ready for use - they are one of the easiest and most cost-effective vehicle upgrades for quick performance gains
• UNIVERSAL FITMENT: Designed for use on a variety of applications
• REDUCES WASTE: Over 200 million disposable air filters and their packaging waste wind up in landfills each year- reusable filters help reduce waste in our landfills
• Air Filter Color: Red
• Air Filter Large End Diameter: 7.375 in (187 mm)
• Air Filter Material: Cotton Gauze
• Air Filter Shape: Round Tapered
• Base Outside Diameter: 7.375 in (187 mm)
• Filter Re-Oiling Amount: 10.01 oz (296 ml)
• Flange Angle: 0 degrees
• Flange Inside Diameter: 4.125 in (105 mm)
• Flange Length: 1.5 in (38 mm)
• Flange Offset: 0 in (0 mm)
• Flange Type: Centered
• Flanges: 1
• Footnote 1: Top Plate Has 1/4-20 Stud
• Frame Design: Flexible
• Height: 11.5 in (292 mm)
• Housing Included: No
• Item Type: High Performance
• Oil Included: Yes
• Overall Filter Efficiency: Up To 99% Efficiency
• Pre-Screened: No
• Top Material: Rubber
• Top Outside Diameter: 7 in (178 mm)
• Top Style: Rubber
• Washable: Yes