K&N Filters Universal Air Filter – 3-11/16″ FLG x 10″x7″ B x 9″x5-3/8″ T x 7-7/8″ H – w/ Stud (KNNRC-5178)

The K&N Filters Universal Air Filter – 3-11/16″ FLG x 10″x7″ B x 9″x5-3/8″ T x 7-7/8″ H – w/ Stud (KNNRC-5178) is engineered for performance and compatibility across a wide range of applications. Designed to fit custom setups, this universal round tapered filter features a 10-inch by 7-inch base, a 9-inch by 5-3/8-inch top, and a 7-7/8-inch height. It comes equipped with a built-in stud for secure installation. This reusable filter provides excellent airflow while maintaining strong filtration efficiency, making it suitable for a variety of automotive and motorsport environments. Ideal for performance upgrades, replacement use, or custom builds.

Features and Specifications:

• Flange Inside Diameter: 3-11/16 inches
• Base Outside Diameter: 10 inches x 7 inches
• Top Outside Diameter: 9 inches x 5-3/8 inches
• Height: 7-7/8 inches
• Flange Length: 1 inch
• Flange Type: Offset
• Flange Offset: 1.5 inches
• Air Filter Shape: Oval
• Top Material: Black Powder Coated
• Includes: Stud
• Performance Boost: Increases horsepower and acceleration.
• Reusable Filter: Washable and built for lifetime use.
• Rigid Flange: Connects securely to hose systems.
• USA Made: Manufactured in the United States.
• Warranty Coverage: Includes a one-year limited warranty.