Description
The K&N Filters Air Filter – 14″ OD x 12″ ID x 3-1/2″ H with Wire (KNNE-3745) is designed to provide durable and consistent filtration performance. Its outer diameter of 14 inches, inner diameter of 12 inches, and height of 3-1/2 inches make it suitable for a range of industrial and automotive applications where airflow and debris protection are essential. Built with integrated wire support, this filter maintains structural integrity under high flow conditions and offers longer service life. It’s compatible with multiple housing systems requiring precise dimensions. The KNNE-3745 ensures efficiency without compromising on reliability.
Features and Specifications:
- Outer Diameter: 14 inches
- Inner Diameter: 12 inches
- Height: 3-1/2 inches
- Enhanced Performance: Increases airflow by up to 50% for better power and acceleration.
- Easy Installation: Pre-oiled and ready to drop into the factory air box.
- Long-Term Savings: Saves up to $250 over 10 years by eliminating disposable filters.
- Eco-Friendly: Washable and reusable to reduce waste.
- Engine Protection: Shields the engine from harmful contaminants.
- Low Maintenance: Up to 50,000 miles before first cleaning under normal driving conditions.
- Made in USA: High-quality construction from American manufacturing.
- Track Proven: Official air filter of NASCAR – performance trusted on the racetrack.





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