Gibson Cat-Back Performance Exhaust

2004–2005 Dodge Ram 1500 Standard Cab Short Bed 5.7L HEMI

Part #: 616595

Overview

The Gibson Single Cat-Back Performance Exhaust is a premium upgrade designed specifically for the 2004 to 2005 Dodge Ram 1500 Standard Cab Short Bed equipped with the 5.7L HEMI engine. This exhaust system enhances your truck’s performance by improving horsepower, torque, and throttle response, making it ideal for drivers who demand more power for towing, hauling, or spirited driving. Engineered to deliver a balanced aggressive exhaust note without excessive cabin drone, it offers a refined driving experience while maintaining a clean, factory-style appearance with a single side exit behind the rear tire.

Built for enthusiasts who want a reliable, bolt-on upgrade, the Gibson Cat-Back Exhaust combines durability with performance, backed by a lifetime limited warranty for peace of mind. Whether you’re a daily driver or weekend warrior, this system elevates your Dodge Ram’s capability and sound without compromising comfort.

Key Features

Designed with precision and performance in mind, the Gibson Cat-Back Exhaust offers the following standout features:

• 3-inch mandrel-bent stainless steel tubing for optimal exhaust flow and long-lasting durability
• Single side exit located behind the rear tire for a sleek, factory-style look
• Baffled and chambered Superflow™ muffler design reduces interior drone while delivering an aggressive exhaust tone
• Polished stainless steel slash-cut tips resist discoloration and add a high-quality finish
• Includes all necessary hardware and factory-style hangers for easy, secure installation
• Hassle-free, bolt-on installation with no welding or cutting required
• Dyno-tested to provide maximum torque and horsepower gains at low RPMs (1800 to 3000 RPM)
• Average horsepower increase of 10-15 HP and torque gains of 15-20 lb-ft
• Quieter in-cab experience compared to many other performance exhaust systems
• Lifetime limited warranty for long-term reliability

Construction & Design

The Gibson Cat-Back Exhaust is crafted from premium 304-grade stainless steel, ensuring exceptional corrosion resistance and strength to withstand harsh road conditions and high temperatures. The mandrel-bent tubing maintains a consistent diameter through every bend, optimizing exhaust gas flow and minimizing restrictions for improved engine efficiency.

The Superflow™ muffler features a baffled and chambered design that expertly balances sound quality and performance, reducing unwanted drone while producing a deep, aggressive tone that enhances the driving experience. Polished stainless steel slash-cut tips provide a visually striking finish that resists discoloration and wear, complementing the truck’s overall aesthetic.

Factory-style hangers and included hardware guarantee a secure fit that aligns perfectly with your Dodge Ram’s existing mounting points, preserving factory ground clearance and alignment.

Performance & Sound

Engineered to boost low-end torque and horsepower, this exhaust system significantly improves throttle response and towing capability. Dyno testing confirms an average gain of 10 to 15 horsepower and 15 to 20 lb-ft of torque between 1800 and 3000 RPM, making it an excellent upgrade for everyday driving and heavy-duty tasks alike.

The muffler’s design minimizes interior drone, delivering a refined yet aggressive exhaust note that is noticeable outside the vehicle without being overpowering inside the cab, striking the perfect balance between performance and comfort.

Installation & Fitment

The Gibson Cat-Back Single Exhaust is designed for a straightforward, bolt-on installation with no welding, cutting, or modifications required. It fits the 2004 and 2005 Dodge Ram 1500 Standard Cab Short Bed models equipped with the 5.7L HEMI engine. The system includes factory-style hangers and all necessary hardware to ensure a secure, professional fitment that maintains factory alignment and ground clearance.

What's Included

• 3-inch stainless steel mandrel-bent tubing
• Superflow™ baffled and chambered muffler
• Polished stainless steel slash-cut exhaust tip
• Factory-style hangers
• Complete installation hardware
• Lifetime limited warranty documentation

Ideal For

This exhaust system is perfect for Dodge Ram 1500 owners seeking to enhance their truck’s performance and sound without sacrificing daily drivability. It is especially suited for those who frequently tow, haul, or drive in hilly terrain and want improved throttle response and power delivery. Additionally, it appeals to enthusiasts looking for a durable, professional-grade exhaust upgrade that offers a clean appearance and minimal cabin noise.