Description
The K&N Filters Universal Clamp-On Air Filter – 2-3/4″ FLG x 4-21/32″ B x 3-1/2″ T x 8-1/4″ H (KNNRU-5291) is designed to provide high airflow with excellent filtration, helping to increase engine performance. Built with a 2-3/4-inch flange, 4-21/32-inch base, 3-1/2-inch top, and an 8-1/4-inch height, this universal clamp-on filter fits a wide range of intake setups. Its round, tapered design and washable cotton gauze media ensure long-lasting use and reliable filtration. Whether upgrading or replacing your current filter, this model offers a solid combination of fit, function, and durability across many applications.
Features and Specifications:
- Flange Inside Diameter: 2-3/4 inches
- Base Outside Diameter: 4-21/32 inches
- Top Outside Diameter: 3-1/2 inches
- Filter Height: 8-1/4 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.






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