Gibson Exhaust Systems

Fits 2007–2010 Hummer H3 with 3.7L engine

Part #: 312700

Overview

The Gibson 07-10 Hummer H3 Base 3.7L 2.5in Cat-Back Dual Split Exhaust is designed for enthusiasts seeking an aggressive look and a throaty, commanding sound. Crafted to enhance your vehicle’s performance and aesthetic appeal, this exhaust system offers a straightforward bolt-on installation that requires no welding, making it accessible for DIY enthusiasts and professional installers alike. Built with durability in mind, it is constructed from aluminized steel to withstand the rigors of daily driving and harsh conditions while providing a distinctive, deep exhaust note that elevates your driving experience. This exhaust system not only improves the sound profile but also supports increased performance. By reducing backpressure, it helps your engine breathe more freely, which can lead to noticeable gains in torque and horsepower. Typical performance improvements include an average increase of 15-20 horsepower, contributing to a more responsive and enjoyable driving experience. The dual stainless steel tips exit straight out the back, complementing the rugged look of your Hummer H3 and working seamlessly with most bumpers, roll pans, and trailer hitches.

Key Features

This Gibson exhaust system features a dual split design that enhances exhaust flow and provides an aggressive, deep tone. The aluminized construction offers excellent corrosion resistance and longevity, ensuring your system maintains its performance and appearance over time. The straightforward bolt-on installation process allows for hassle-free upgrades without the need for welding or specialized tools. The system is engineered to fit seamlessly with your Hummer H3, providing a perfect balance of style, sound, and performance.

Construction & Design

Manufactured from aluminized steel, this exhaust system is designed for durability and corrosion resistance. The dual stainless steel tips are polished for a sleek, aggressive look that complements the rugged styling of the Hummer H3. The split design optimizes exhaust flow, contributing to improved engine response and sound quality.

Driving Feel & Feedback

This exhaust system delivers a louder, more aggressive exhaust note that enhances the driving experience. The increased flow and reduced backpressure support better throttle response and engine efficiency, making your vehicle feel more lively and engaging on the road.

Installation & Fitment

Designed for a direct bolt-on installation, this system requires no welding or cutting. It is compatible with most bumpers, roll pans, and trailer hitches, ensuring a seamless upgrade for your Hummer H3.

What’s Included

The package includes the dual split cat-back exhaust system with aluminized steel construction and stainless steel tips, ready for straightforward installation. Hardware and mounting components are included for a complete upgrade.