Gibson Dual Extreme Cat-Back Performance Exhaust

2006–2008 Dodge Ram 1500 5.7L HEMI

Part #: 66550

Overview

The Gibson Dual Extreme Cat-Back Performance Exhaust system is a premium upgrade designed specifically for Dodge Ram 1500 trucks equipped with the 5.7L HEMI engine from 2006 to 2008. This bolt-on exhaust system enhances your truck’s performance and appearance by improving exhaust flow and delivering a bold, aggressive exhaust tone. Perfect for Ram enthusiasts who want to increase horsepower and add a commanding street presence without sacrificing daily drivability, the Dual Extreme exhaust offers a seamless blend of power, sound, and style.

Engineered to fit precisely and install easily, this system transforms your Ram’s rear end with polished stainless steel slash-cut tips and a distinctive dual exhaust layout. Whether you’re looking to boost throttle response or simply want a more aggressive exhaust note, the Gibson Dual Extreme exhaust is a reliable and visually striking upgrade.

Key Features

Combining advanced engineering with durable materials, the Gibson Dual Extreme exhaust system delivers superior performance and sound quality. Key features include:

• Cat-back dual exhaust design for enhanced exhaust flow and increased horsepower
• Stainless baffled and chambered muffler producing a deep, aggressive tone
• No internal packing to maintain consistent sound quality over time
• Polished stainless steel slash-cut clamp-on tips for corrosion resistance and aggressive styling
• Minimal interior drone for comfortable daily driving
• Mandrel-bent stainless steel tubing for smooth bends and optimal exhaust flow
• Includes all necessary hardware and factory-style hangers for secure, bolt-on installation
• Superflow™ CFT muffler technology for balanced sound and performance
• Lifetime limited warranty for long-term peace of mind

Construction & Design

Constructed from high-quality stainless steel, the Gibson Dual Extreme exhaust system is built to withstand the demands of daily driving and harsh road conditions. The mandrel-bent tubing ensures smooth, unrestricted exhaust flow by maintaining consistent diameter through bends, which helps maximize engine efficiency and power output.

The baffled and chambered muffler design creates a powerful exhaust note without relying on internal packing materials that can deteriorate over time. This design choice guarantees long-lasting sound performance and durability. The polished stainless steel slash-cut tips resist corrosion while adding a refined yet aggressive look that complements the rugged styling of the Dodge Ram 1500.

Performance & Sound

Dyno-tested to deliver an average horsepower gain of 15 to 20, the Gibson Dual Extreme exhaust system improves throttle response and overall engine efficiency. Its aggressive exhaust tone commands attention on the street while maintaining minimal cabin drone, making it suitable for both spirited driving and everyday use. This exhaust system provides a perfect balance of performance enhancement and street presence for Dodge Ram owners seeking a noticeable upgrade.

Installation & Fitment

This exhaust system is designed for hassle-free, bolt-on installation with no welding required. It fits Dodge Ram 1500 models from 2006 to 2008 equipped with the 5.7L HEMI engine. The kit includes factory-style hangers and all necessary hardware, allowing for a secure and straightforward installation that can typically be completed using basic hand tools. This ensures a clean, professional fitment that maintains factory mounting points and vehicle integrity.

What's Included

• Cat-back dual exhaust system
• Stainless baffled and chambered muffler
• Polished stainless steel slash-cut clamp-on tips
• All mounting hardware and factory-style hangers
• Installation instructions

Ideal For

The Gibson Dual Extreme Cat-Back Performance Exhaust is ideal for Dodge Ram 1500 owners who want to enhance their truck’s horsepower and sound without compromising daily drivability. It suits enthusiasts seeking a bold, aggressive exhaust note paired with a polished, street-ready appearance. Whether your Ram is a work truck, weekend warrior, or daily driver, this exhaust system delivers a reliable and visually striking performance upgrade.

Gibson Performance Exhaust manufactures street-legal performance exhaust systems for trucks, SUVs, UTVs/side-by-sides, and muscle car applications. Known for an aggressive sound and bolt-on fitment, Gibson systems are engineered to improve exhaust flow while maintaining durability for daily driving, towing, and weekend fun.