Gibson Exhaust Systems

Fits 2004–2010 Infiniti QX56 with 5.6L engine

Part #: 612213

Overview

The Gibson 04-10 Infiniti QX56 3-inch Cat-Back Single Exhaust is designed to enhance your vehicle’s performance and sound profile. Crafted for owners seeking improved acceleration, towing capacity, and hill-climbing ability, this exhaust system offers a significant upgrade over stock setups. Its bolt-on design ensures a hassle-free installation without welding, providing a professional appearance and reliable durability. Whether you're looking to boost low-end torque or enjoy a more refined exhaust note, this system is an excellent choice for your Infiniti QX56. This exhaust system is ideal for enthusiasts who want to maximize their vehicle’s power output while maintaining a quieter cabin environment compared to other performance exhausts. It helps optimize exhaust flow, supporting better response and efficiency during everyday driving or demanding conditions like towing and off-road adventures.

Key Features

This Gibson exhaust system features high-quality stainless steel construction for corrosion resistance and longevity. Its 3-inch diameter pipe design is engineered to improve exhaust flow, resulting in increased torque and horsepower at low RPMs. The exit behind the rear tire provides a sleek, aggressive look while maintaining a refined sound profile. The system’s design emphasizes durability, ease of installation, and a professional finish that complements your vehicle’s aesthetic.

• Constructed from durable stainless steel for corrosion resistance
• 3-inch diameter pipe for optimal exhaust flow
• Exits behind the rear tire for a clean, aggressive appearance
• Designed for easy bolt-on installation without welding
• Enhances low-end torque and overall horsepower
• Produces a quieter in-cab sound compared to other performance exhausts

Construction & Design

The exhaust system is built from high-grade stainless steel, ensuring strength and resistance to rust and corrosion. Its mandrel-bent tubing maintains smooth airflow, reducing backpressure and enhancing performance. The polished finish adds a sleek, professional look that complements your vehicle’s styling.

Performance & Response

Designed to improve exhaust flow, this system helps increase torque and horsepower, especially in the low to mid RPM range. The optimized design supports better acceleration, hill climbing, and towing performance, making your Infiniti QX56 more responsive and capable under demanding conditions.

Installation & Fitment

The Gibson Cat-Back Exhaust is a direct bolt-on replacement for your factory system. No welding or cutting is required, allowing for straightforward installation with basic tools. Proper fitment ensures a secure, leak-free connection and a seamless upgrade.

What’s Included

The package includes all necessary components for a complete installation, including the exhaust pipes, muffler, and mounting hardware, backed by Gibson’s quality assurance.