Diesel Power Source

T4 Manifold Center Mount 98.5-2018 *NOT OEM

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T4 Cummins Exhaust Manifold Center Mount 1998.5-2002 *NOT OEM ** Legal for installation and street use in California, California E.O. Exemption for pre-2007 veh…
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T4 Manifold Center Mount  98.5-2018 *NOT OEM

T4 Manifold Center Mount 98.5-2018 *NOT OEM


T4 Cummins Exhaust Manifold Center Mount 1998.5-2002 *NOT OEM

** Legal for installation and street use in California, California E.O. Exemption for pre-2007 vehicles*

DPS T4 Exhaust Manifold for Dodge Cummins T4 manifold is a 3-Piece design to prevent cracking. Cummins exhaust manifold for AFTERMARKET turbo on Dodge Ram (NOT FACTORY TURBO). Our Dodge Cummins Exhaust Manifold fits all 5.9 & 6.7 24V heads. If you're considering a Steed Speed T4 manifold, DPS T4 Cummins manifold has the highest flow efficiency available, and is the best Cummins T4 manifold.

Features of the DPS T4 Exhaust Manifold Include:

  • Flow tested and balanced for smooth, balanced exhaust flow, while maintaining velocity for increased turbo spool up
  • Includes block gaskets, and 2 new bolts (used to attach to head on two upper center holes)
  • Two, Drilled and Tapped ports, for pyrometer and pressure fitting.
  • Made from nickel laced ductile iron
  • Black High Temperature Coating
  • Comes pressed together, pressure tested and ready to install
  • T4 Turbo Flange
  • The best Cummins T4 manifold for flow.

Note:  This is NOT a factory replacement.  Factory turbos are a difference flange size. This is for use with T4 Turbochargers ONLY which are all aftermarket.  The Dodge Cummins exhaust manifold is not T4 turbo flange.

A great performance manifold for the larger T-4 Turbos.  Steed speed T4 manifolds are much more expensive and will not flow as efficient as Diesel Power Source Cummins T4 manifold.

Some modifications to engine and/or vehicle will be necessary, as the stock turbos are not T-4 flanges.

This 3 Piece 24 valve Manifold is cast from Ductile Iron similar to your turbine housing (which can handle extreme heat, without much expansion or shinkage).  With our CFD design capabilities we make the best Cummins T4 manifold on the market, both for flow, fit and function. 

Stock manifolds and one-piece competitor manifolds are known to shrink significantly, even Steed Speed T4 manifolds move a lot with heat, causing manifold-cracking, gasket problems, and exhaust flow problems created by exhaust port misalignment. Even stainless steel manifolds will shrink significantly, causing misalignment.  The dirty little secret is that competitor's stainless steel actually moves (expands and contracts) more than ductile iron does.  Our 3 Piece Manifold, on the other hand, allows manifold to expand and contract with heat, eliminating warping and cracking to the manifold, eliminating the dreaded manifold shrinkage.

**DPS Exhaust Manifolds have been granted an exemption by CARB, which means they are legal to be installed and used in the state of California, on vehicles 2007 and before.**

Free shipping to the lower 48 states.  When shipping to anywhere outside of the lower 48 states, additional shipping fees may apply.

Customer reviews

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  • Customer Service

    Posted by Collin J on Apr 10, 2024

    I ordered this part by mistake and had to return it because it would not fit my truck. Diesel Power Source are great people to work with I would definitely buy from them again.

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