Description

The K&N Filters Universal Air Filter – 4″ FLG x 6-3/4″ B x 5-7/8″ T x 9-1/2″ H (KNNRU-5045) is engineered to improve airflow and performance in a variety of automotive and industrial applications. This universal air filter is designed with a 4-inch flange, which features a 6-3/4-inch base, 5-7/8-inch top, and 9-1/2 inches tall. It’s compatible with numerous custom setups where space and performance matter. Built with a washable and reusable filter media, it offers long service life and is ideal for high-flow intake systems. Upgrade your vehicle or machinery with this efficient, easy-to-install air filter.

Features and Specifications:

Flange Inside Diameter: 4 inches
Base Outside Diameter: 6-3/4 inches
Top Outside Diameter: 5-7/8 inches
Height: 9-1/2 inches
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.