Exhaust Manifold

Cummins Exhaust Manifolds for Diesel Trucks

You have reached Diesel Power Source’s Exhaust Manifolds Collection! Our precision-engineered manifolds are the heart of your diesel engine, optimizing airflow for maximum power and efficiency.

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  • 2003-2007 Exhaust Manifold Cummins Common Rail Manifold

    Manifold for 3rd Gen Cummins 2003-07 5.9 T3

    (12)

    T3 Exhaust Manifold for 03-07 5.9 Cummins 3rd GenOEM replacement part for MOPAR PN 5135788ACA direct fit replacement performance manifold for 2003-07 5.9 Cummins in Dodge Pickups.This is a T-3 flange which is the same as the stock turbo.Our design is...

    (12)

    $489.00
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  • RV Manifold Fummins Exhaust Manifold

    T3 Manifold for 12v Fummins or RV

    (5)

    Ford Cummins Swap Exhaust Manifold | Fits 12V Ford Cummins Conversion | 12v Fummins Manifold T3Performance Fummins Exhaust Manifold For Ford Cummins Swap Kits12V 5.9 Cummins Motorhome Industrial 3931747, J901683, J931747 replacement.DPS Ford Cummins Swap...

    (5)

    $499.00
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  • 6.7 cummins exhaust manifold 6.7 Exhaust Manifold

    Exhaust Manifold for 6.7 Cummins 2007.5-2018

    (1)

    T4i 2Pc Cummins Exhaust Manifold for 6.7 Cummins fits 2007.5-2018 Ram Fits OEM 2007.5 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 6.7 Cummins The Best Exhaust Manifold For 6.7 Cummins ! Nothing flows like a DPS exhaust manifold for 6.7 Cummins...

    (1)

    $509.00
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What is a Performance Diesel Exhaust Manifold?

A performance diesel exhaust manifold is a critical component in optimizing engine efficiency and power output. Let’s dive into what it is, how it works, and why upgrading to a performance manifold can transform your diesel driving experience.

What Is the Purpose of the Exhaust Manifold?

The exhaust manifold in a diesel truck serves a crucial role: it collects exhaust gases from each cylinder and channels them away from the engine. Here’s why it matters:

  1. Efficient Flow: By precisely directing exhaust gases, the manifold optimizes flow dynamics, reducing backpressure. This enhances overall engine efficiency.
  2. Heat Expansion: Unlike stock manifolds, performance manifolds are often three-piece designs. They allow slight movement to accommodate heat expansion and contraction. This prevents cracking and damage.
  3. Customization: Upgrading to a performance manifold can improve exhaust flow, boost power, and reduce lag. Whether you’re towing or chasing speed, it’s a smart investment.

How Often Should You Replace Your Exhaust Manifold?

  • Inspection Interval: Have your entire exhaust system inspected every two to three years, depending on driving conditions.
  • Signs of Wear: If the manifold appears worn or damaged, consider replacement to ensure safe driving conditions.