K&N Filters universal rubber air filter details
K&N Filters Universal Rubber Air Filter – 2-1/4" 20° Flange x 3-1/2" OD x 6" H (KNNRU-1720)
The K&N Filters Universal Rubber Air Filter – 2-1/4" 20° Flange x 3-1/2" OD x 6" H (KNNRU-1720) is designed for performance and flexibility in universal intake systems. This air filter is ideal for custom applications that require a compact, angled flange design. A 20-degree offset and a 6-inch height ensure efficient airflow and a secure fit in tight engine bays. Built with durable rubber and precision-molded for a strong seal, this filter helps maintain engine health by trapping contaminants while allowing high air volume intake. Compatible with a variety of intake configurations, it supports both short-tail and long-tail keywords like rubber air filter, angled flange filter, universal cone filter, and K&N rubber intake filter to help users find the exact product they need.
Features and Specifications:
Flange Size: 2-1/4 inch
Flange Angle: 20 degrees
Outer Diameter: 3-1/2 inch
Height: 6 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.
Product identification
- Brand: K&N Filters
- Model / MPN: KNNRU-1720




