K&N XD Series Air Filter (MPN: E-3978XD)

High-performance air filter designed for extreme off-road conditions.

The K&N XD Series Air Filter is engineered for optimal performance in demanding environments. Utilizing a deep pile design and an extra fine weave grade cotton, this round air filter enhances efficiency and capacity, making it suitable for off-road applications. With a diameter of 14 inches and a height of 5 inches, it is designed to provide superior filtration in high dust conditions, ensuring that your engine receives clean air for maximum performance.

Developed through rigorous testing, including real-world scenarios faced by race teams in the Baja 1000, the XD Cotton medium offers increased protection while maintaining airflow. The filter can be easily cleaned and reused, similar to K&N's original cotton air filters, making it a sustainable choice for enthusiasts. This washable air filter is oiled and features a striking red color, adding a visual appeal to your engine compartment while delivering reliable filtration.

Features

• Use A Deep Pile Design
• Extra Fine Weave Grade Cotton And Alternate Geometries For Added Efficiency And Capacity For Off Road Conditions
• Provides The Increased Protection Demanded By High Dust Conditions

Specifications

• Manufacturer: K & N Filters
• Manufacturer Part Number: E-3978XD
• Shape: Round
• Type: Washable
• Height (IN): 5 Inch
• Length (IN): Not Applicable
• Width (IN): Not Applicable
• Base Dimensions (IN): 14 Inch Diameter
• Top Dimensions (IN): 14 Inch Diameter
• Oiled: Yes
• Element Color: Red
• Element Material: Cotton Gauze
• Flange Inside Diameter (IN): Without Flange
• Flange Length (IN): Without Flange
• Flange Angle (DEG): Without Flange
• Flange Offset (IN): Without Flange
• Cap Finish: Without Cap
• Cap Color: Without Cap
• Cap Material: Without Cap
• Includes Gasket: No
• Estimated Install Time (Hours): 0.5

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