K&N Engineering Performance Air Intake Kit

2001–2004 Lexus IS300 3.0L L6

Part #: 57-9018

Overview

The K&N Engineering Performance Air Intake Kit for the Lexus IS300 is designed to enhance the airflow to your vehicle's 3.0L inline-six engine, delivering improved throttle response and a more aggressive engine sound. Crafted for enthusiasts who seek increased performance and a sporty driving experience, this intake system replaces the restrictive factory airbox with a high-flow, reusable filter and a mandrel-bent aluminum intake tube. Whether you're daily driving or pushing your vehicle on spirited drives, this kit helps support increased horsepower and torque while maintaining excellent durability and reliability.

Key Features

The K&N FIPK (High-Flow Performance Intake Kit) is engineered with precision to maximize airflow and improve engine efficiency. Key features include:

• High-quality, mandrel-bent aluminum intake tube designed for smooth airflow and optimal fitment.
• Cross-linked XLPE open-element filter that provides high airflow and excellent filtration, reusable and washable for long-term use.
• Custom-designed heat shield to help shield the filter from engine heat, maintaining cooler intake air temperatures for better performance.
• Easy bolt-on installation with no cutting or drilling required, utilizing factory mounting points for a seamless fit.
• Enhanced engine sound that adds a sporty note without excessive noise, perfect for performance-minded drivers.
• Improved airflow compared to the factory intake, supporting potential increases in horsepower and torque.
• Durable construction with corrosion-resistant materials to withstand the rigors of daily driving and spirited use.

Filter Options

The K&N FIPK features a high-flow, oiled, washable filter designed for maximum airflow and filtration efficiency. The filter is reusable, allowing you to clean and re-oil it as needed, typically every 50,000 miles under normal driving conditions. This open-element design ensures minimal restriction and consistent performance over time, making it ideal for enthusiasts who want a maintenance-friendly, high-performance intake solution.

Construction & Design

This intake kit is built with high-grade aluminum tubing that is mandrel-bent for smooth airflow paths, reducing turbulence and pressure loss. The included heat shield is designed to prevent hot engine air from entering the intake, helping to maintain cooler, denser air for improved combustion. The filter housing is engineered for easy access during maintenance, and all components are finished with corrosion-resistant coatings to ensure longevity. The kit's design emphasizes durability, precise fitment, and performance, making it a reliable upgrade for your Lexus IS300.

Installation & Fitment

The K&N Performance Air Intake Kit is designed for a straightforward, bolt-on installation. It utilizes the factory mounting points and requires no cutting, drilling, or tuning. The process usually takes about 1-2 hours, and all necessary hardware and instructions are included. The kit is specifically engineered for the 2001–2004 Lexus IS300 with the 3.0L inline-six engine, ensuring a perfect fit and optimal performance.

What's Included

• High-flow reusable K&N filter
• Mandrel-bent aluminum intake tube
• Custom heat shield
• All necessary clamps, couplers, and hardware
• Installation instructions

Ideal For

This intake kit is perfect for Lexus IS300 owners looking to boost their vehicle's performance, improve throttle response, and add a sporty sound. It is suitable for daily drivers, weekend enthusiasts, and anyone wanting a reliable, high-quality upgrade to their stock intake system.