Cold Air Intake Dodge Ram (2003-2007) 2500 3500 5.9 L6 Diesel Engines

Maximize your Cummins diesel's power with a cold air intake built to handle heavy loads, improve throttle response, and deliver the performance your Ram was built for.

Built for Work—Engineered for Your 2003–2007 Ram 2500/3500 Cummins

The 5.9L Cummins is a legendary diesel engine known for its durability, torque, and ability to handle serious work. But the factory intake system restricts what this inline-six can really deliver when you're towing, hauling, or demanding maximum performance. This cold air intake replaces the restrictive stock air box with a high-flow system that pulls in cooler, denser air—resulting in improved throttle response, stronger low-end torque, and better fuel efficiency under load.

Whether you're hauling a trailer, climbing steep grades, or just looking for a more responsive daily driver, this intake helps your Cummins breathe easier and deliver the kind of power diesel enthusiasts expect. It's a direct-fit upgrade built to withstand the demands of heavy-duty use.

Key Features at a Glance

• Polished T-304 Aluminum Piping: Lightweight, corrosion-resistant construction designed to handle the heat and vibration of diesel performance.
• Steel Heat Shield with Carbon-Black Powder Coating: Protects the filter from engine heat and debris, ensuring cooler intake temps for consistent power delivery.
• High-Flow Washable Filter: Upgraded cone air filter maximizes airflow while maintaining effective filtration—clean and reuse indefinitely.
• Diesel-Tuned Performance: Delivers noticeable gains in throttle response and torque throughout low and mid RPM, where diesel engines shine.

How It's Used: Installation & Fitment

This intake is designed for straightforward installation. Using basic hand tools like screwdrivers and socket wrenches, most truck owners complete the swap in under 60 minutes. Simply remove the factory air box and install the new system using the included hardware. After installation, disconnect the battery's negative terminal briefly so the ECU can recalibrate for the increased airflow. See Basic Installation Guide

Product Durability & Material Details

Built with polished T-304 aluminum piping and a durable steel heat shield, this intake is engineered to withstand the demands of heavy-duty diesel use—from extreme heat to the constant vibration of towing and hauling. The high-flow filter is washable and reusable, making it a cost-effective choice for truck owners who put their rigs to work.

Your Benefits at a Glance

• Proven Power Gains: 7–10% increase in horsepower and 6–8% increase in torque.
• Improved Towing Performance: Better throttle response and stronger low-end torque when you need it most.
• Deeper Diesel Sound: A more aggressive intake note that matches the character of the Cummins engine.

Fitment & Package Details

Fitment:

• 2003–2007 Dodge Ram 2500
• 2003–2007 Dodge Ram 3500
• Engine: 5.9L I-6 Cummins Diesel (including HO600 and HO610)
• Fits Automatic & Manual Transmissions

Package Includes:

• Polished T-304 aluminum intake piping
• High-flow washable cone air filter
• Steel heat shield with carbon-black powder coating
• All required boots, clamps, and mounting hardware
• Installation instructions