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Dodge Cummins

DPS Performance Parts for Dodge/Ram Cummins Trucks

Keep Your Cummins Working Hard and Running Cool

Find upgrades that keep your Cummins delivering reliable power and safe exhaust temperatures.

From turbo systems and exhaust manifolds to install hardware and replacement parts, Diesel Power Source engineers clean-fit, durable solutions for daily work trucks, tow rigs, and high-power builds. Lower your EGTs 200-300°F, improve throttle response, and protect your engine for the long haul.

200-300°F Cooler EGTs

Proven thermal management for heavy towing

Better Spool & Response

Improved low-end torque and passing power

Built to Last

Thick-wall castings resist cracking and warping

Clean-Fit Solutions

Direct bolt-in for Dodge/Ram chassis

Shop by Cummins Platform

  • 5.9L Cummins (1994–2007) — Manifolds and turbo-ready hardware for 12V, 24V, and common-rail
  • 6.7L Cummins (2007.5–2024) — Stock-replacement and T4 performance manifolds
  • S300 Single Turbos — Balanced spool and towing manners
  • S400 Single Turbos — Higher airflow for elevated fueling
  • Add-A-Turbo (Compound-Over-Stock) — True twin setups with strong EGT control
  • Turbonator® VGT Upgrades — Patented ball-bearing VGT response and control

Why Upgrade Your Dodge/Ram Cummins with Performance Parts

More Power and Torque

Performance components improve airflow and reduce backpressure so your truck accelerates quicker, tows stronger, and holds speed on grades without excessive throttle.

Better Fuel Efficiency

Improved charge air and exhaust flow help the turbo operate in its sweet spot, supporting cleaner combustion under load and reducing wasted fuel.

Durability You Can Count On

Thick-wall castings, reinforced partitions, and precision-machined flanges resist cracking, warping, and leaks through repeated heat cycles.

Build It Your Way

From stock-replacement parts to S300/S400 turbos and compound-over-stock kits, choose upgrades that match towing, daily driving, or high-fuel goals.

How to Choose the Right Upgrade Path

Towing & Daily

Earlier spool and stable EGT. Consider stock-replacement manifolds and S300-class turbos for 150-200°F cooler temps and instant response.

Street Performance

Mid-size singles with freer housings for stronger midrange while keeping street manners. Best balance of fun and usability.

High-Fuel Builds

Larger S400 or compound paths for airflow headroom; plan converter, gearing, and cooling. 200-300°F cooler EGTs even at 700+ HP.

Fitment Checklist

  • ✓ Confirm engine family/year and turbo flange (T3/T4/T4i) before ordering
  • ✓ Check downpipe route, intercooler path, steering and A/C clearances
  • ✓ Plan supporting items: gaskets, hardware, heat shielding, and monitoring ports

Install & First-Drive Notes

  • • Use new gaskets and quality hardware; torque in sequence on a cold engine
  • • Pressure test the charge-air system before first start; verify no pre-turbine leaks
  • • Monitor boost, EGT, and (if equipped) drive pressure on initial towing runs
  • • Re-check fasteners after heat cycles if specified in instructions

Ready to compare options? Visit Diesel Exhaust Manifolds, Turbo Systems, or the Shop by Truck hub to jump straight to your platform.

Refine:

5.9 12V Cummins | 1989 – 1993 5.9 12V Cummins | 1994 – 1998 5.9 24V Cummins | 1998.5 – 2002 3rd Gen 5.9 Cummins | 2003 – 2007 4th Gen 6.7 Cummins | 2007.5 – 2012 4th Gen 6.7 Cummins | 2013 – 2018 5th Gen 6.7 Cummins | 2019 – 2024 4BT Cummins

Frequently Asked Questions

Diesel Power Source offers performance turbochargers, compound turbo kits, exhaust manifolds, add-a-turbo systems, intake and airflow upgrades, and supporting hardware for Dodge Ram Cummins trucks. These parts are designed to improve power, drivability, and reliability in both street and work-truck applications.

Typical EGT reductions: 150-300°F depending on turbo configuration and load.

Real-world towing improvements:

Stock turbo baseline:

  • Towing 18,000 lbs up 6% grade: 1,350-1,475°F typical
  • Towing 22,000 lbs up 7% grade: 1,425-1,550°F (danger zone)
  • Driver often backing out of throttle or downshifting to manage heat

After S300 single turbo upgrade:

  • Same 18,000 lbs load: 1,150-1,250°F (150-200°F cooler)
  • Same 22,000 lbs load: 1,225-1,325°F (200°F cooler)
  • Can maintain highway speed without excessive heat

After compound turbo upgrade:

  • Same 18,000 lbs load: 1,025-1,125°F (250-325°F cooler)
  • Same 22,000 lbs load: 1,100-1,200°F (275-350°F cooler)
  • Complete confidence on any grade, any load

Why this matters for engine life:

  • Head gasket stress: Every 100°F over 1,300°F dramatically increases failure risk
  • Manifold cracking: Repeated thermal cycling above 1,400°F causes cracks
  • Turbo longevity: Sustained high EGTs shorten turbo bearing life
  • Overall reliability: Cooler operation = longer engine life, period

Some upgrades, such as compound turbo kits or larger single turbos, may require custom tuning to run properly and safely. Other bolt-on components can be installed without tuning. Always check the product description or contact our team to confirm tuning requirements.

Yes. Many of our Dodge Cummins performance products are engineered with towing in mind, focusing on controlled boost, lower exhaust temperatures, and long-term durability. We also offer options specifically intended for daily-driven and work trucks.

The best upgrade depends on your goals, such as towing, daily driving, or high horsepower. Diesel Power Source offers expert guidance to help you choose the right turbo, manifold, or kit based on your truck, budget, and performance goals.

Compounds use TWO turbos working together—small primary + large secondary.

How compounds work:

  • Primary (small) turbo: Mounted on manifold, spools instantly, provides low-end response
  • Secondary (large) turbo: Mounted downstream, takes air from primary and compresses again, adds massive top-end airflow
  • Result: Quick spool like small turbo + huge airflow like big turbo = no compromises

Compound advantages over single turbo:

  • No lag: Primary handles instant response, you're in boost from idle
  • Better EGTs: 200-300°F cooler vs. 150-200°F with singles
  • Lower drive pressure: Two turbos sharing work = less backpressure = less cylinder stress
  • More usable power: 700 HP from compounds is drivable daily; 700 HP from S480 single is laggy and frustrating
  • Best for towing: Instant response when you need it, massive power when you want it

Compound disadvantages:

  • Higher cost: $4,500-7,500 vs. $2,500-4,000 for singles
  • More complex install: Two turbos to mount and plumb (12-20 hours vs. 6-10)
  • More piping: Additional intercooler piping, more potential leak points

When to choose compounds:

  • Heavy towing (18k+ lbs) regularly or commercially
  • Want 600-800+ HP that's drivable daily
  • Need absolute best EGT control
  • Mountain terrain or sustained high-load operation
  • Refuse to compromise between response and power

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#1 RATED COMPOUND TURBO KITS - FREE SHIPPING ON ORDERS OVER $300 - MADE IN THE USA - BACKED BY INDUSTRY LEADING ENGINEERING - SHOP WITH CONFIDENCE -
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