Description
The K&N Filters Universal Air Filter – 4″ FLG x 5-3/8″ B x 4″ T x 6-1/2″ H – Carbon Fiber Top (KNNRP-4980) is designed to increase airflow and performance across a wide range of vehicle intake systems. Its 4-inch flange and 5-3/8-inch base allow for a secure fit on various setups, while the 6-1/2-inch height and conical design provide efficient filtration and airflow. Featuring a lightweight carbon fiber top, this universal air filter offers durability and a sleek appearance. Built for high performance and reusability, it’s an ideal solution for custom or replacement air intake applications where filtration and flow efficiency matter most.
Features and Specifications:
- Flange Inside Diameter: 4 inches
- Base Outside Diameter: 5-3/8 inches
- Top Outside Diameter: 4 inches
- Filter Height: 6-1/2 inches
- Top Style: Carbon Fiber
- Performance Boost: Increases horsepower and acceleration for enhanced engine output.
- Clamp-On Design: Durable and secure fit for reliable long-term use.
- Carbon Fiber: Sleek composite top adds a modern, high-performance look.
- Lightweight Build: Lighter than traditional filter tops for improved efficiency.
- Reusable Filter: Washable media allows for multiple uses, reducing replacements.
- Warranty Coverage: Backed by a one-year limited manufacturer’s warranty.
- Flexible Flanges: Absorbs vibrations and stretches up to 1/16″ to fit in between sizes.





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