K&N Engineering AirCharger Performance Intake

Fits 2003–2004 Toyota 4Runner V8-4.7L

Part #: 63-9022

Overview

The K&N 03-04 Toyota 4Runner V8-4.7L AirCharger Performance Intake is designed to enhance your vehicle’s airflow efficiency, supporting improved engine response and overall performance. Crafted for enthusiasts seeking increased horsepower and torque, this intake system combines durable materials with a high-flow design to optimize air intake and engine breathing. It’s an ideal upgrade for those looking to boost their 4Runner’s power output while maintaining reliability and longevity under normal highway conditions. This intake system is suitable for drivers who want a straightforward, effective upgrade that enhances engine sound and responsiveness without sacrificing durability or ease of maintenance. Its design emphasizes increased airflow, helping your engine perform at its best during daily driving or spirited outings.

Key Features

This performance intake features a rotationally-molded HDPE tube that ensures a smooth, high-volume airflow path, reducing restrictions and supporting engine efficiency. The oversized, conical high-flow air filter is washable and reusable, allowing up to 100,000 miles of service under typical highway driving, which minimizes maintenance costs and effort. A custom heat shield is included to protect intake air from engine heat, ensuring cooler, denser air reaches your engine for optimal combustion. The system is engineered for a precise fit, making installation straightforward and secure.

• High-density polyethylene (HDPE) rotationally-molded tube for durability and airflow
• Oversized, conical, washable, and reusable high-flow cotton air filter
• Custom heat shield to reduce intake air temperature
• Designed for easy installation with a precise fit
• Supports increased horsepower and torque
• Reduces restriction for improved throttle response
• Minimal maintenance with long-lasting filter performance

Construction & Design

The intake system is constructed from high-quality HDPE material, ensuring durability and resistance to heat and vibration. The rotational molding process provides a seamless, strong tube that maintains shape and airflow integrity over time. The oversized conical filter is designed for maximum surface area, promoting efficient filtration and airflow while being easy to clean and reuse. The included heat shield is custom-fitted to shield intake air from engine heat, helping maintain cooler air temperatures for better engine performance.

Driving Feel & Feedback

This intake system helps improve throttle response and engine sound, providing a more engaging driving experience. The increased airflow support results in a noticeable boost in engine responsiveness, making your 4Runner feel more lively and capable during acceleration and cruising.

Installation & Fitment

The system is designed for a straightforward bolt-on installation, with all necessary hardware included. It fits 2003–2004 Toyota 4Runner V8-4.7L models, ensuring a secure and precise fit that integrates seamlessly with your vehicle’s existing intake components.

What’s Included

The package includes the rotationally-molded intake tube, high-flow washable filter, heat shield, and all necessary mounting hardware for a complete upgrade.