K&N 57-2550 Performance Air Intake System for 1997-2004 Ford F-150 4.2L V6

Vehicle Fitment

• 1997-2004 Ford F-150 (4.2L V6)
• 2004 Ford F-150 Heritage (4.2L V6)

Features

• Guaranteed increase in horsepower and torque
• Roto-molded high-density polyethylene (HDPE) intake tube
• Washable and reusable High-Flow Air Filter™ with oiled cotton media
• Oversized conical design allows up to 100,000 miles between filter services under normal highway driving conditions
• Easy installation, typically completed in less than 60 minutes
• Custom heat shield protects intake air from high engine bay temperatures
• Street legal in all 50 U.S. states
• No-hassle Lifetime Limited Warranty™

Specifications

• Estimated horsepower gain: +7.58 HP at 4891 RPM
• Filter material: Oiled cotton gauze
• Filter color: Red
• Clamp material: Stainless steel
• Coupler material: Silicone
• Weight: Approximately 11.1 lbs (5.1 kg)
• Product box dimensions: 22.25" L x 14.25" W x 12.5" H

Included Components

• 1x High-flow air filter (RU-5046)
• 1x Roto-molded intake tube
• 1x Heat shield
• 2x Silicone couplers
• 6x Stainless steel hose clamps
• Mounting hardware

Product Description

The K&N 57-2550 Performance Air Intake System is engineered to provide a substantial increase in horsepower and torque for the 1997-2004 Ford F-150 and 2004 Ford F-150 Heritage models equipped with the 4.2L V6 engine. This system features a high-density polyethylene (HDPE) rotationally-molded intake tube that enhances airflow to the engine, resulting in improved performance.

The oversized, conical High-Flow Air Filter™ utilizes oiled cotton gauze media, allowing for up to 100,000 miles between filter services under normal highway driving conditions. The filter is washable and reusable, offering long-term durability and cost savings. The kit includes all necessary components for a straightforward installation, typically completed in less than 60 minutes using existing factory mounting points and commonly available tools.

Designed with a custom heat shield, the intake system helps reduce intake air temperatures, further enhancing performance. The K&N 57-2550 is backed by a No-Hassle Lifetime Limited Warranty™ and is street legal in all 50 U.S. states, making it a reliable and compliant upgrade for your vehicle.