Description
The K&N Filters Universal Clamp-On Air Filter – 4″ FLG x 6″ B x 4″ T x 7″ H (KNNRU-4680) is engineered for performance and durability. Designed to improve airflow and filtration, this clamp-on air filter fits a 4-inch flange and offers a 6-inch base, 4-inch top, and 7-inch height for a broad range of universal applications. It is ideal for high-performance engines and aftermarket air intake systems, helping improve horsepower and acceleration. Made with oiled cotton gauze, this reusable air filter provides long service intervals and excellent engine protection.
Features and Specifications:
- Flange Inside Diameter: 4 in
- Base Outside Diameter: 6 in
- Top Outside Diameter: 4 in
- Filter Height: 7 in
- Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
- Superior Protection: Four layers of premium cotton gauze with a specialized tacking agent trap harmful contaminants effectively.
- Durable Construction: Built with high-quality materials and precision manufacturing for long-lasting performance.
- Long Service Life: Under normal highway conditions, it requires cleaning only every 75,000 miles, equivalent to about five years.
- Easy Installation: Pre-oiled and ready to use, making it a simple and cost-effective upgrade for better performance.
- Versatile Fitment: Designed for compatibility with a wide range of applications.
- Eco-Friendly: Reusable design helps reduce landfill waste from disposable filters.
- Reliable Warranty: Backed by a 1-year limited warranty for peace of mind.





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