aFe Large Bore-HD Cat-Back Exhaust System: Dodge Ram 2500 / Ram 3500 2003 - 2004 w/ Polished Tip

aFe Large Bore-HD Cat-Back Exhaust System

2003–2004 Dodge Ram 2500 / Ram 3500

49-42005

Overview:

The aFe Large Bore-HD Cat-Back Exhaust System is engineered specifically for 2003 to 2004 Dodge Ram 2500 and Ram 3500 trucks. Designed to enhance your truck’s performance, this exhaust system increases exhaust flow, resulting in improved horsepower and torque. Ideal for enthusiasts seeking a more aggressive sound and better engine efficiency, it also helps reduce exhaust gas temperatures for enhanced durability and power output.

Constructed with precision and durability in mind, this system offers a straightforward upgrade that delivers noticeable gains without compromising reliability or fitment. Whether you’re towing heavy loads or looking to maximize your truck’s performance on the road, the Large Bore-HD Cat-Back system is a proven solution.

Key Features:

This exhaust system combines advanced engineering with high-quality materials to deliver superior performance and sound:

• 4-inch mandrel-bent 409 stainless steel tubing for maximum flow and durability
• High-flow, straight-through perforated muffler measuring 8" diameter by 30" length
• Muffler delete pipe included for an even more aggressive exhaust note and maximum flow
• Polished stainless steel exhaust tip for a clean, professional appearance
• Bayonet-style hangers with swaged ends for secure, easy installation
• Slotted and swedged pipe ends paired with premium band clamps to ensure a tight, leak-free seal
• Designed and tested on a flow bench and dynamometer for optimal pipe sizing and muffler construction
• Made in the USA with a 2-year limited warranty for peace of mind

Construction & Design:

The Large Bore-HD Cat-Back Exhaust System is crafted from durable 409 stainless steel, known for its corrosion resistance and long-lasting strength. Each pipe is mandrel bent to maintain consistent diameter throughout bends, preventing flow restrictions common with crushed or kinked tubing. This attention to detail ensures smooth, unrestricted exhaust flow, which is critical for maximizing engine performance.

All hangers are fully welded on both sides and feature swaged bayonet ends to lock securely in place using factory mounting points. The system’s two-piece tailpipe design allows for precise adjustment during installation, ensuring a perfect fit on your Dodge Ram.

Performance & Sound

The aFe Large Bore-HD system increases exhaust flow by up to 29%, which helps lower exhaust gas temperatures by as much as 100 degrees. This reduction in EGT contributes to improved engine efficiency and longevity. The included muffler delivers an aggressive, loud exhaust tone that enhances the driving experience without being overly harsh. For those seeking maximum volume and flow, the muffler delete pipe option provides an even more commanding sound.

Installation & Fitment:

Designed to bolt directly onto your 2003–2004 Dodge Ram 2500 or Ram 3500, this cat-back exhaust system uses factory mounting locations for a straightforward installation. The included detailed instructions, clamps, and hangers simplify the process, allowing for a secure, leak-free fit without the need for cutting or welding. The system’s modular tailpipe design also facilitates fine-tuning during installation.

What's Included:

• 4-inch mandrel-bent 409 stainless steel tubing
• 8" diameter by 30" length straight-through perforated muffler
• Muffler delete pipe for aggressive sound option
• Polished stainless steel exhaust tip
• Premium band clamps
• Bayonet-style hangers with swaged ends
• Detailed installation instructions

Ideal For:

This exhaust system is perfect for Dodge Ram 2500 and 3500 owners from model years 2003 to 2004 who want to improve their truck’s power, torque, and exhaust sound. It is especially suited for those who tow or haul heavy loads and need a durable, high-flow exhaust solution that withstands demanding conditions. Enthusiasts looking for a bold, aggressive exhaust note with reliable performance gains will also appreciate this upgrade.