K&N Engineering Performance Intake Kit

2002–2003 Ford Explorer / Mercury Mountaineer V8-4.6L

Part #: 57-2539

Overview

The K&N Engineering Performance Intake Kit is designed to enhance the airflow of your Ford Explorer or Mercury Mountaineer equipped with the 4.6L V8 engine from 2002 to 2003. This high-performance intake system is engineered to improve throttle response, increase horsepower and torque, and deliver a more aggressive engine sound. Whether you're a daily driver seeking better efficiency or a performance enthusiast looking to extract more from your vehicle, this intake kit offers a straightforward upgrade that delivers noticeable benefits.

Built with quality and precision, the K&N FIPK (Flat Intake Performance Kit) is a bolt-on solution that replaces the restrictive factory air intake components. It is designed to maximize airflow while maintaining excellent filtration and durability, making it an ideal choice for those who want to improve their vehicle's performance without complex modifications.

Key Features

The K&N Performance Intake Kit features a combination of innovative design and premium materials to ensure optimal performance and longevity. Key features include:

• High-flow, mandrel-bent aluminum intake tube that promotes smooth airflow from the filter to the engine, reducing turbulence and pressure loss.
• Large, washable, and reusable cotton-gauze filter element that captures dirt and debris while allowing maximum airflow. The filter is oiled for optimal filtration efficiency and long service life.
• Precision-molded, high-density polyethylene intake housing that is designed for a perfect fit and easy installation.
• Replaces the factory air box and intake duct, providing a direct path for cooler, denser air to enter the engine.
• Includes all necessary hardware and detailed instructions for a hassle-free installation.
• Backed by K&N's renowned Million Mile Limited Warranty, ensuring quality and performance for the life of your vehicle.
• Designed to improve airflow compared to the factory intake, supporting increased horsepower and torque while maintaining OEM emissions compliance.

Construction & Design

The K&N FIPK intake system is constructed with durable, lightweight aluminum tubing that is mandrel-bent for optimal airflow and resistance to cracking or warping. The intake housing is made from high-density polyethylene, which is resistant to heat and engine bay conditions, helping to keep intake temperatures lower and improve overall performance. The filter is mounted in a sealed housing that directs cooler outside air into the engine, enhancing combustion efficiency.

The design emphasizes ease of installation, with a straightforward bolt-on process that requires no cutting or drilling. The system is engineered to fit seamlessly into your vehicle's engine bay, providing a clean and professional appearance while delivering measurable performance gains.

Installation & Fitment

The K&N FIPK is designed as a direct bolt-on upgrade that requires minimal mechanical skill. Installation involves removing the factory air intake components and replacing them with the K&N system using the included hardware. No cutting, drilling, or tuning is necessary, making it a convenient upgrade for DIY enthusiasts and professional installers alike.

• Easy, bolt-on installation with basic hand tools
• Replaces factory air box and intake duct
• No tuning or additional modifications required

What's Included

• High-flow aluminum intake tube
• Reinforced, washable cotton-gauze filter
• Intake housing and mounting hardware
• All necessary clamps and couplers
• Detailed installation instructions

Ideal For

• Ford Explorer and Mercury Mountaineer owners seeking improved performance
• Performance enthusiasts wanting a straightforward upgrade
• Daily drivers aiming for better throttle response and engine sound
• Off-road and towing applications where enhanced airflow can support increased engine efficiency