Gibson Performance Header

Fits 2007–2011 Jeep Wrangler JK Rubicon with 3.8L Engine

Part #: GP403S-C

Overview

The Gibson Performance Header is a high-quality, dyno-tuned exhaust component designed to enhance the airflow of your Jeep Wrangler JK Rubicon equipped with a 3.8L engine. Crafted to replace the factory manifold, this header helps improve engine breathing, resulting in more responsive acceleration and increased low- and mid-range torque. Its durable construction and ceramic coating ensure longevity and heat resistance, making it suitable for both street and off-road applications. Whether you're looking to boost performance or improve engine cooling, this header is an excellent upgrade for enthusiasts seeking reliable, high-performance parts that meet strict emissions standards.

Key Features

Designed with precision engineering, the Gibson Performance Header features 16-gauge steel construction for durability and heat management. The ceramic coating not only enhances corrosion resistance but also helps retain heat within the exhaust gases, promoting better flow and efficiency. Its direct replacement design ensures a straightforward installation using the stock crossover pipe, with no welding required. This header is engineered to support your vehicle’s performance goals while maintaining compliance with EPA and CARB regulations, ensuring legality across all 50 states. Its compatibility with lowered and raised vehicles makes it versatile for various build styles and off-road adventures.

Construction & Design

Constructed from heavy-duty 16-gauge steel, the header is designed for maximum durability and heat dissipation. The ceramic coating provides an additional layer of protection against corrosion and thermal degradation, ensuring long-lasting performance even in demanding conditions. The mandrel-bent tubing promotes smooth exhaust flow, reducing backpressure and enhancing engine response.

Performance & Response

This performance header helps your Jeep breathe better, supporting improved horsepower and torque at low and mid-range RPMs. The optimized design contributes to a more aggressive engine sound and enhances overall driving feel, especially during acceleration and off-road maneuvers.

Installation & Fitment

The Gibson Performance Header is designed as a direct bolt-on replacement for the factory manifold, using the stock crossover pipe. Its straightforward installation process makes it accessible for DIY enthusiasts and professional installers alike, with no welding required.

What’s Included

The package includes the ceramic-coated performance header, hardware necessary for installation, and detailed instructions to ensure a proper fitment and secure mounting.

Ideal For

This header is perfect for Jeep owners looking to improve their vehicle’s airflow, response, and overall performance. It’s an ideal upgrade for off-road enthusiasts, daily drivers, and anyone seeking a reliable, high-performance exhaust component that maintains legal compliance and enhances driving enjoyment.