Description
The K&N Filters Tapered Rubber Air Filter – 2-7/16″ FLG 4-1/2″x3-3/4″ B 3-1/2″x2-1/2″ T 3-1/2″ H (KNNRU-3780) is a high-performance oval air filter engineered for efficient airflow and engine protection. Designed with a 2-7/16-inch flange and a tapered oval shape, this air filter fits a variety of intake systems. Built with durable rubber and K&N’s signature cotton gauze media, this washable and reusable air filter supports long service life. Ideal for performance applications or standard replacement, this filter ensures optimal airflow and filtration in challenging conditions.
Features and Specifications:
- Air Filter Shape: Oval Straight
- Flange Inside Diameter: 2-7/16 in
- Base Dimensions: 4-1/2 in x 3-3/4 in
- Top Dimensions: 3-1/2 in x 2-1/2 in
- Height: 3-1/2 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.






Reviews
There are no reviews yet.