Description
The K&N Filters Universal Rubber Air Filter – 1-3/4″ FLG O/S, 4″ X 3″ B, 3″ X 2″ T, 2-3/4″ H – Oval (KNNRU-2450) is designed to improve airflow and performance while offering installation flexibility. Built with high-quality materials, this oval-shaped filter features a rubber flange and base, making it compatible with various engine setups. Its washable and reusable design ensures long-term use, saving costs on replacements. Ideal for custom and universal applications, it fits intake setups requiring a 1-3/4 inch flange with a 2-3/4 inch height.
Whether replacing an existing filter or building a custom intake, this universal K&N filter is a reliable choice to maintain performance and engine protection.
Features and Specifications:
- Filter Shape: Oval
- Flange Inside Diameter: 1-3/4 inch
- Base: 4″ X 3″
- Top: 3″ X 2″
- Filter Height: 2-3/4 inch
- 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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