Description
The K&N Filters Universal Rubber Air Filter – 1-3/4″ 10° FLG x 3-1/2″ OD x 4-1/2″ H (KNNRU-1030) is designed for high airflow and durability in a compact form. Featuring a 1-3/4-inch inside diameter flange angled at 10 degrees, this rubber air filter fits a wide range of custom and performance applications. It’s built with a 3.5-inch outer diameter and a 4.5-inch overall height to offer an optimal balance of air filtration and flow. Ideal for automotive and powersports engines, this filter supports easy installation with a universal fit.
Features and Specifications:
- Flange Inside Diameter: 1-3/4 in
- Flange Angle: 10 Degrees
- Outside Diameter: 3-1/2 in
- Height: 4-1/2 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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