Universal air filter details
K&N Filters Universal Clamp-On Air Filter 3-1/8"FLG 5"B 3-1/2"T 6"H (KNNRU-3250)
The K&N Filters Universal Clamp-On Air Filter 3-1/8"FLG 5"B 3-1/2"T 6"H (KNNRU-3250) is designed for performance-focused drivers needing reliable airflow and filtration. It features a 3-1/8-inch flange, 5-inch base, 3-1/2-inch top, and a 6-inch height, making it suitable for a wide range of custom and aftermarket intake setups. This universal clamp-on filter is built with K&N's signature washable and reusable filter media, providing long-lasting performance and protection for your engine. The clamp-on design allows for quick and easy installation across multiple applications.
Features and Specifications:
Flange Inside Diameter: 3-1/8 inches
Base Outside Diameter: 5 inches
Top Outside Diameter: 3 1/2 inches
Height: 6 inches
Mount Type: Clamp-on
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.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-3250




