aFe Exhaust Systems

Fits 1998–2005 Lexus GS300 and 2001–2005 Lexus IS300

Part #: 48-36017-HC

Overview

The aFe Twisted Steel stainless steel headers are designed to enhance the exhaust flow of your Lexus GS300 and IS300 models. Crafted from durable 304 stainless steel, these headers provide a significant upgrade over factory components by improving exhaust scavenging and reducing backpressure. They are ideal for enthusiasts seeking to optimize their vehicle’s performance, sound, and reliability without extensive modifications. Whether you're upgrading for better response or a more aggressive exhaust note, these headers are engineered to support your vehicle’s performance goals while maintaining factory-like fitment and ease of installation.

Key Features

Designed with precision mandrel-bent 1-5/8 inch to 2-1/2 inch tubing, these headers maximize exhaust flow efficiency. The dual EPA-compliant catalytic converters are less restrictive than stock units, helping to improve exhaust flow and engine response while remaining environmentally conscious. Factory-style laser-cut, machined flanges ensure a secure, leak-free seal, and the system is engineered for a direct bolt-on installation, fitting perfectly into the stock locations without the need for cutting or modifications. The high-quality stainless steel construction ensures long-lasting durability and resistance to corrosion, making these headers a reliable upgrade for your vehicle.

Construction & Design

Constructed from 304 stainless steel, these headers feature mandrel-bent tubing for optimal airflow and strength. The laser-cut flanges are precisely machined to provide a tight, leak-free connection, ensuring durability and consistent performance over time.

Performance & Response

By reducing exhaust restrictions and improving flow, these headers help support better throttle response and engine efficiency. The less restrictive catalytic converters contribute to a more aggressive exhaust note, enhancing the driving experience without compromising emissions compliance.

Installation & Fitment

Designed for a straightforward bolt-on installation, these headers fit directly into the stock locations of compatible Lexus models. No cutting or extensive modifications are required, making them an accessible upgrade for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the Twisted Steel headers with dual EPA-compliant catalytic converters, factory-style laser-cut flanges, and all necessary hardware for installation.

Ideal For

Perfect for Lexus owners looking to improve exhaust flow, response, and sound quality, these headers are an excellent choice for performance upgrades and vehicle customization.