Manifolds

STOCK and AFTERMARKET CUMMINS MANIFOLDS for your DIESEL TRUCK

Our precision-engineered manifolds are the heart of your diesel engine, optimizing airflow for maximum power and efficiency. Whether you drive a Cummins, Ram, Powerstroke, or Class 8 or 7 Semi, explore our range and unleash untapped performance! 

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  • Cummins exhaust manifold 12V Cummins manifold

    T3 Manifold for 12v Cummins 1989-98

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    T3 Manifold for 12V Cummins Exhaust Manifold 1989-98 DPS presents a game-changing T3 Manifold for your 12V Cummins Exhaust, covering the years 1989-1998 for your Second Gen Cummins 12V. This is a direct factory bolt-on.  The factory manifold has a...

    (6)

    $429.00
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  • 5.9 Cummins Exhaust Manifold Cummins Exhaust Manifold

    T3 Manifold for 24v Cummins 1998.5-2002

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    DPS 3 Piece Exhaust Manifold 24V for 5.9 Cummins Exhaust ManifoldT3 FlangeYears 1998.5 1999 2000 2001 2002 2nd Gen** Legal for installation and street use in California, California E.O. Exemption** 24v Cummins 3 Piece Manifold Features:Flows 23%...

    (12)

    $409.00
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  • T4 Manifold Exhaust Manifold fits Dodge Cummins

    T4 Manifold Center Mount 98.5-2018 *NOT STOCK / OEM

    (1)

    T4 Exhaust Manifold for Cummins Center Mount 1998.5-2002 *NOT for STOCK / OEM REPLACEMENT** ** 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...

    (1)

    $419.00
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When to Replace Your Diesel Manifold

Signs of a Worn or Faulty Manifold:

Your diesel manifold plays a crucial role in your engine’s performance. Here’s how to know when it’s time for a replacement:

  • Check Engine Light: If your check engine light illuminates, it could signal a problem with the manifold. Scan the trouble code memory to identify the issue.
  • Decreased Engine Performance: A blocked or damaged manifold affects exhaust flow, making your engine feel weak and sluggish. Acceleration becomes challenging, and fuel efficiency drops.
  • Poor Fuel Efficiency: A clogged manifold leads to increased fuel consumption. You’ll notice more trips to the pump as your vehicle burns extra fuel.
  • Trouble Starting: Excessive exhaust gas buildup due to a blocked manifold can make starting the engine difficult. Regular inspections can prevent this issue.

Replacement Frequency

While there’s no fixed interval for replacing stock manifolds, consider these guidelines:

  • Saltwater Environment: Replace every 4 years.
  • Freshwater Environment: Extend the replacement interval slightly.

Keep your diesel running smoothly—inspect your manifold regularly and replace it when needed!

What Is a Performance Diesel Manifold?

A performance diesel manifold is a critical component in optimizing engine efficiency and power output. Unlike stock manifolds, which are often single-piece cast iron designs, performance manifolds offer advantages such as a three-piece construction, customizability, and enhanced durability. Upgrading to a performance manifold can significantly improve exhaust flow, reduce backpressure, and ultimately enhance your diesel driving experience. Whether you’re chasing torque gains, reducing lag, or customizing your setup, a performance diesel manifold is a smart investment for any diesel enthusiast.