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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Intake Manifold (2)
Exhaust Manifold (18)
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  • 10mm Spin Lock Bolt Kit

    12V Spin-Lock Bolt Kit for 1989-98 Manifolds

    (3)

    12V Spin Lock Bolt Kit For 1989-98 12V DPS ManifoldsOur bolts have teeth! Custom made serrated flange bolts.Flanged Serrated Spin Lock Bolt kit M10 x 1.5 x 35mm for DPS Exhaust Manifolds on Cummins Engines.Secure your DPS exhaust manifold using our...

    (3)

    $29.99
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  • 71 mm housing TBH0147

    S300 Wastegated Turbine Housing 71mm -A/R 0.70

    Wastegated S300 Turbine Housing 71mm / 12cm Exhaust outlet sizes: 4.0 half marmon (v-band HX40 outlet) 4.4 (4-3/8”) half marmon (v-band) 3rd Gen Fits: Borg Warner S300 - 71mm turbine wheel Flange: T3 A/R Ratio: 0.70 / 12cm Fits Stock Dodge...

    $179.99
    $255.00
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  • S300 Housing 65mm S300 Turbine Housing 4"

    S300 Wastegated Turbine Housing 65mm - A/R 0.70

    S300 Wastegated Turbine Housing 65mm / 12cm Exhaust outlet sizes: 4.0 half marmon (v-band HX40 outlet) 4.4 (4-3/8”) half marmon (v-band) 3rd Gen Fits: Borg Warner S300 - 65mm turbine wheel Flange: T3 A/R Ratio: 0.70 / 12cm Fits Stock Dodge...

    $179.99
    $255.00
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  • 4.4 half marmon 4.0 half marmon housing

    S300 Wastegated Turbine Housing 71mm - A/R 0.80

    Wastegated S300 T3 Turbine Housing 71mm / 14cm - A/R 0.80 Exhaust outlet sizes: 4.0 half marmon (v-band HX40 outlet) 4.4 (4-3/8”) half marmon (v-band) 3rd Gen Fits: Borg Warner S300 - 71mm turbine wheel Flange: T3 A/R Ratio: 0.80 / 14cm Fits...

    $179.99
    $255.00
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  • T3 Manifold Gasket

    T3 Manifold Gasket - Divided

    T3 Turbo Gasket For Dodge Cummins 5.9L 24V 1998.5-2007 With Divided Exhaust Inlet. Universal T3 Fitment The perfect replacement for your failing gasket, the DPS Turbo Exhaust Inlet Flange Gasket provides your T3 Divided Flange with a solid seal. DPS...

    $10.00
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  • T3 Manifold Gasket - non divided

    T3 Manifold Gasket – Non-divided

    Turbo Manifold Gasket for T3 Dodge Cummins 5.9L 24V 1998.5-2007.Universal T3 FitmentThe perfect replacement for your failing gasket, the DPS Turbo Exhaust Inlet Flange Gasket provides your T3 non-divided Flange with a solid seal. DPS recommends this...

    $10.00
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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.