ATS Diesel Exhaust Manifold

2003–2007 Dodge Ram 2500 / Ram 3500 5.9L Cummins

2049202272

Overview:

The ATS Diesel 2-Piece T3 Non-Wastegated Pulse Flow Exhaust Manifold is engineered specifically for Dodge Ram 2500 and Ram 3500 trucks equipped with the 5.9L Cummins engine from 2003 to 2007. Designed to replace the factory exhaust manifold, this high-quality aftermarket component enhances exhaust flow and durability without the complexity of a wastegate. It is ideal for diesel enthusiasts seeking improved engine efficiency and reliability in demanding applications.

This exhaust manifold is perfect for owners who want a robust upgrade that maintains the integrity of their truck’s exhaust system while supporting performance enhancements. Its pulse flow design optimizes exhaust scavenging, contributing to smoother engine operation and potential gains in throttle response.

Key Features:

Built to meet the needs of diesel performance and durability, the ATS Diesel 2-Piece T3 Non-Wastegated Pulse Flow Exhaust Manifold offers the following key features:

• Two-piece design for easier installation and serviceability
• Non-wastegated configuration simplifies exhaust flow and reduces potential failure points
• Pulse flow technology enhances exhaust scavenging for improved engine efficiency
• Precision fitment for Dodge Ram 2500 and 3500 models from 2003 to 2007 with 5.9L Cummins engines
• Constructed from durable materials to withstand high exhaust temperatures and harsh conditions
• Compatible with stock and many aftermarket turbocharger setups
• Designed to maintain OEM mounting points for a direct bolt-on installation
• Improves exhaust flow without sacrificing reliability or longevity

Construction & Design:

The ATS Diesel exhaust manifold is crafted from premium-grade cast iron or high-heat resistant alloy, engineered to endure the extreme thermal cycles typical of diesel engines. Its two-piece construction allows for easier handling and installation compared to one-piece designs, while maintaining structural integrity under heavy-duty use.

The pulse flow design carefully manages exhaust pulses to optimize flow dynamics, reducing backpressure and promoting efficient evacuation of exhaust gases. This design not only supports engine performance but also contributes to smoother operation and reduced turbo lag in compatible setups.

Installation & Fitment:

This exhaust manifold is designed as a direct replacement for the factory manifold on Dodge Ram 2500 and 3500 trucks with the 5.9L Cummins engine from 2003 through 2007. Installation requires no major modifications, as it utilizes OEM mounting points and hardware. Professional installation is recommended to ensure proper torque specifications and gasket sealing for optimal performance and longevity.

Its two-piece design simplifies the installation process, making it more accessible for experienced DIYers and professional mechanics alike. This manifold is compatible with stock exhaust systems and many aftermarket turbocharger configurations that do not require a wastegate.

What's Included:

• ATS Diesel 2-Piece T3 Non-Wastegated Pulse Flow Exhaust Manifold
• Gaskets for manifold installation
• Mounting hardware as required for direct fitment
• Installation instructions

Ideal For:

This exhaust manifold is ideal for Dodge Ram 2500 and 3500 owners who want a durable, performance-oriented upgrade for their 5.9L Cummins diesel engine. It suits enthusiasts focused on improving exhaust flow and engine efficiency without the complexity of wastegated systems. Whether for daily driving, towing, or light performance builds, this manifold offers a reliable solution that supports enhanced engine operation and longevity.

ATS Diesel Performance builds diesel upgrade solutions engineered for higher torque, towing confidence, and competition-level durability. Best known for performance-built transmissions, ATS also offers turbochargers, exhaust and fuel system components, and other supporting parts designed to handle heavy loads and elevated power on modern diesel trucks.