Description
The K&N Filters Universal Rubber Air Filter – 3-3/4″ FLG x 5-3/8″ B x 4-3/8″ T x 5″ H (KNNRU-4250) is engineered to enhance airflow and protect engines across a wide range of universal applications. This rubber-topped air filter features a 3 3/4-inch flange, 4 3/8-inch inner diameter, and 5-inch height. It is ideal for custom intake systems and off-road setups where flexibility and performance are key. K&N’s high-flow filter media supports improved horsepower without compromising engine protection. It is compatible with clamp-on installation and reusable after cleaning.
Features and Specifications:
- Flange Inside Diameter: 3 3/4 in
- Base Outside Diameter: 5 3/8 in
- Top Outside Diameter: 4 3/8 in
- Filter Height: 5 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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