This 304 stainless steel upgraded exhaust manifold fits 2003–2007 Dodge Ram 5.9L Cummins and features a T3 flange, thick-wall design, and two EGT probe ports. The 304 stainless steel construction resists corrosion and withstands demanding diesel operating conditions while supporting improved exhaust flow and turbo response compared to factory restrictive castings.

Fitment

• 2003 Dodge Ram 5.9L Cummins Diesel
• 2004 Dodge Ram 5.9L Cummins Diesel
• 2005 Dodge Ram 5.9L Cummins Diesel
• 2006 Dodge Ram 5.9L Cummins Diesel
• 2007 Dodge Ram 5.9L Cummins Diesel

Product Details

• Material: Cast 304 stainless steel with thick wall design for maximum durability
• Turbo Flange: T3 flange, direct fit to factory turbo mounting
• Ports: Two EGT probe ports for temperature monitoring
• Performance: Thick wall (0.25″ vs. 0.15″) T3 flange design increases strength, eliminating warping and cracking common to factory exhaust manifolds
• Flow Benefits: Matched ports and merged runner design reduce exhaust backpressure and maximize exhaust flow
• Included Hardware: Exhaust manifold gaskets, turbo flange gasket, and port plugs

Installation

This manifold is a direct replacement for the factory exhaust manifold. Installation requires removal of the turbocharger, manifold studs, and gaskets. Proper bolt sequencing and high-temperature anti-seize lubricant are recommended for a sealed, reliable fit across thermal cycles.

Check local emissions regulations before purchase. Professional installation is recommended.

Get the right part the first time.