Description

The K&N Filters Universal Clamp-On Air Filter – 4″ FLG 6″ B x 5.25″ T x 9″ H – Round Tapered – Black (KNNRU-3112HBK) is designed for performance and durability. Engineered for a wide range of vehicles, this clamp-on air filter features a 4-inch flange, a 6-inch base diameter, and a 5.25-inch outer top diameter, with a height of 9 inches. Its round-tapered shape enhances airflow, helping improve engine efficiency. Built with washable and reusable media, this black air filter is ideal for custom applications where space and airflow optimization matter.

This high-flow air filter supports long service intervals under normal driving conditions and is backed by K&N’s reliability. Whether you’re upgrading your intake system or replacing an old filter, this unit offers dependable performance for a variety of automotive needs.

Features and Specifications:

Flange Inside Diameter: 4 in (102 mm)
Base Outside Diameter: 6 in (152 mm)
Top Outside Diameter: 5.25 in (133 mm)
Height: 9.25 in (235 mm)
Flange Length: 1.5 in (38 mm)
Air Filter Shape: Round-Tapered
Air Filter Color: Black
Engineered Power: Advanced air filter media enhances horsepower, acceleration, and overall engine performance.
Superior Protection: Two 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 50,000 miles, equivalent to about three 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.