K&N Filters Custom Air Filter – 14″ Diameter x 4″ High (KNNE-3750)

The K&N Filters Custom Air Filter – 14″ Diameter x 4″ High (KNNE-3750) is engineered for high-performance applications where airflow and filtration are essential. Designed for compatibility with round air filter assemblies, this unit is ideal for custom builds, street rods, or racing applications. It’s 14-inch diameter and 4-inch height ensure optimal fitment and function, while the reusable cotton gauze media delivers efficient filtration and airflow. Built with performance and durability in mind, this filter helps your engine breathe better under demanding conditions.

Features and Specifications:

• Diameter: 14 inches
• Height: 4 inches
• Shape: Round
• Horsepower Boost: Designed to increase engine performance by improving airflow.
• Long-Lasting Use: Washable and reusable for the life of the vehicle.
• High Airflow: Delivers exceptional filtration without sacrificing air intake.
• Factory Fit: Engineered for a precise fit in the OEM air box.
• Limited Warranty: Backed by a No-Hassle Lifetime Limited Warranty.
• Low Maintenance: Requires cleaning only every 50,000 miles under normal driving conditions.
• Emissions Legal: Complies with emissions standards in all 50 states.
• Warranty Safe: Will not void the vehicle’s factory warranty.