Description
The K&N Filters Universal Air Filter – 6″ FLG x 7.5″ B x 5.875″ T x 6″ H (KNNRU-4940) is built for performance-focused drivers seeking improved airflow and reliable filtration. This universal fit air filter features a 6-inch flange diameter, 7.5-inch base, 5.875-inch top, and a 6-inch height, making it compatible with a variety of intake setups. Its round tapered shape supports better airflow, while the washable and reusable cotton gauze media offers long-lasting use. Ideal for custom air intake systems and engine upgrades.
Features and Specifications:
- Flange Inside Diameter: 6 inches
- Base Outside Diameter: 7.5 inches
- Top Outside Diameter: 5.875 inches
- Height: 6 inches
- Shape: Round tapered
- Enhanced Performance: Engineered air filter media helps boost horsepower, acceleration, and overall engine efficiency.
- Advanced Filtration: Features four layers of premium cotton gauze treated with a tacky agent to capture harmful contaminants.
- Durable Build: Constructed with high-quality materials for long-lasting use and dependable performance.
- Low Maintenance: Requires cleaning every 75,000 miles under typical highway driving conditions.
- Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
- Warranty Coverage: Includes a 1-Year Limited Warranty for peace of mind.





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