Gibson Exhaust Systems

Fits 1999–2004 Ford Mustang GT 4.6L

Part #: 619003

Overview

The Gibson 99-04 Ford Mustang GT 4.6L 3-inch Cat-Back Dual Exhaust is designed to enhance the sound and performance of your muscle car. Crafted for enthusiasts seeking a deep, aggressive exhaust note combined with improved acceleration, this system helps your vehicle deliver a more commanding presence on the road. Made from high-quality stainless steel, it offers durability and resistance to corrosion, ensuring long-lasting performance and a sleek appearance. Whether you're looking to boost your Mustang’s sound profile or optimize exhaust flow for better response, this exhaust system is an excellent upgrade for your vehicle.

Key Features

This exhaust system features a thoughtfully engineered design to maximize exhaust flow and sound quality. Its key features include:

• Constructed from durable stainless steel for corrosion resistance and longevity
• 3-inch diameter piping for optimal exhaust flow and increased horsepower potential
• Resonance chambers and directional louvered tuning ports for a deep, aggressive exhaust tone
• Angular induction design to draw exhaust gases efficiently and expel at higher velocity
• Dual exhaust outlets for a balanced, performance-oriented look
• Hassle-free bolt-on installation designed to fit 1999-2004 Ford Mustang GT models

Construction & Design

The Gibson Cat-Back Exhaust System is precisely engineered with mandrel-bent stainless steel tubing to ensure smooth exhaust flow and durability. The system’s design incorporates resonance chambers and directional ports to fine-tune the exhaust tone, delivering a deep, powerful sound that enhances your muscle car’s character. The polished stainless steel finish not only looks great but also resists corrosion, maintaining its appearance over time.

Driving Feel & Feedback

This exhaust upgrade provides a noticeable improvement in exhaust note, giving your Mustang a more aggressive and refined sound. The increased exhaust velocity supports better throttle response and a more engaging driving experience. While it primarily enhances sound and response, the system also helps support improved exhaust flow, which can contribute to slight gains in horsepower and torque.

Installation & Fitment

Designed for direct bolt-on installation, this system fits 1999-2004 Ford Mustang GT models with a 4.6L engine. Basic mechanical skills and standard tools are recommended for proper installation. No modifications are typically required, making it a straightforward upgrade for enthusiasts and DIY installers.

What’s Included

The package includes the full cat-back exhaust system with all necessary hardware and clamps for a complete, hassle-free installation. The system is designed to seamlessly replace the factory exhaust components, providing a performance and sound upgrade that transforms your Mustang’s character.