Dodge/Ram Cummins Performance Upgrades (1994-2024)

BUILD YOUR CUSTOM CUMMINS KITSHOP CUMMINS PARTS & TUNING

DIESELR delivers real tuning and real performance for Cummins owners who don’t cut corners. From the legendary 5.9L to the latest 6.7L, we provide the best parts, tuning, and complete performance kits to ensure your truck runs harder, tows stronger, and lasts longer.

Everything You Need for Your Cummins. Nothing You Don’t.

✅ Complete All-In-One Kits – ECM tuning, exhaust, and upgrades in one package for 2007.5-2024 6.7L Cummins owners.
✅ The Best Performance Parts – Every turbo, transmission tune, fuel system upgrade, and tuning file is tested and proven. No fluff. Just results.
✅ Built by Experts, Not Marketers – No gimmicks. Just industry-leading tuning, transmission calibration, and real-world-tested performance parts.

DODGE/RAM CUMMINS CUSTOM KIT BUILDER

Introducing DIESELR’s Custom Cummins Kit Builder gives you a turnkey solution for tuning, transmission, exhaust, and airflow upgrades tailored for your 5.9L or 6.7L Cummins.

Each kit is crafted with precision, ensuring compatibility and peak performance. Start your customization journey today and transform your Dodge/Ram Cummins into the powerhouse it was meant to be.

Select your Dodge/Ram Cummins Engine and Generation below to start:

Cummins Performance & Tuning – Built for Real-World Results

DIESELR delivers tested, proven, and no-nonsense performance upgrades for every 1994-2024 Cummins - whether it's custom tuning, exhaust systems, or EGR Upgrade Kits.

Cummins Tuning & Devices

Get the best tuning solutions for 5.9L and 6.7L Cummins—built for real power, transmission refinement, and reliability. Whether you need ECM tuning, shift-on-the-fly control, or full tuning packages, this is where serious performance starts.

Cummins Exhaust Systems

Serious Cummins owners don’t settle for factory exhaust systems. Upgrade with turbo-back and downpipe-back exhaust kits that improve airflow, lower EGTs, and give your truck the sound and power it deserves.

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Cummins EGR Upgrade Kits

The EGR system is a weak link in many Cummins trucks. DIESELR’s EGR Upgrade Kits are built for better airflow, lower engine temps, and improved longevity. Available for 5.9L and 6.7L Cummins models.

Ford Powerstroke Performance & Tuning

Frequently Asked Questions

Is modifying a 6.7 Cummins worth it for performance?

Yes. The 6.7L Cummins is one of the most capable diesel engines on the market, but factory restrictions limit its potential. DieselR's Custom tuning, airflow enhancements, and proper fueling upgrades ensure the engine runs at peak efficiency and power.

What is the best way to improve reliability on a 6.7 Cummins?

The biggest weaknesses on a 6.7 Cummins include factory transmission settings, emissions components, and fuel system restrictions. Upgrading with custom tuning, an EGR upgrade kit, and transmission calibration provides stronger reliability and smoother performance.

How much does it cost to modify a Cummins for better performance?

The cost varies depending on what you’re upgrading. Tuning and transmission improvements are essential for power and longevity. DIESELR offers performance kits for every Cummins model to fit your needs.

How long will a properly tuned 6.7 Cummins last?

With regular maintenance, tuning, and the right upgrades, a well-maintained 6.7 Cummins can exceed 400,000 miles. Keeping fuel and cooling systems in top shape is key to long-term durability.

What’s the best tuning option for 6.7 Cummins performance?

DIESELR offers custom ECM tuning, transmission tuning, and complete All-In-One Kits for 2007.5-2024 Cummins trucks. Whether you need fuel efficiency, towing power, or all-out performance, a properly calibrated tuning setup makes all the difference.

Dodge/Ram Cummins Tuning Devices

DIESELR offers industry-leading tuning devices for 1994-2024 Dodge/Ram Cummins engines. Whether you need custom tuning, shift-on-the-fly adjustments, or full ECM/TCM control, these devices deliver real performance, real results.

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