TechnologyEverything You Need to Know About the 6.7 Delete...

Everything You Need to Know About the 6.7 Delete Kit


So you’re ready to beef up your truck and give it some extra power. You’ve heard about the 6.7 delete kit and want to know if it’s really worth all the hype. In short, yes—deleting your diesel exhaust is one of the best mods you can do. A 6.7 delete kit will free up your engine and unlock loads of horsepower and torque.

You’ve probably noticed other trucks spewing thick black smoke and wondered what’s going on under the hood. Chances are, they’ve installed a delete kit, which removes all the emissions equipment on a truck like the diesel particulate filter, exhaust gas recirculation valve, and selective catalytic reduction system. Without all that pollution control equipment choking your engine, it can finally breathe and show what it’s really capable of.

A 6.7 delete kit isn’t exactly cheap, but the performance gains are huge. We’re talking an easy 50 to 100 horsepower added, and double that in torque. Your truck will feel like a whole new animal, with power at any RPM. If you’re ready to uncork your truck and experience what a free-breathing diesel is all about, here’s everything you need to know about installing a 6.7 delete kit.

What Is a 6.7 Delete Kit?

A 6.7 Delete kit is designed specifically for the Dodge Ram with a 6.7-liter Cummins turbo diesel engine. It deletes the exhaust gas recirculation (EGR) system and exhaust particulate filter to improve performance and reliability.

What Does Deleting the EGR and DPF Do?

Deleting the EGR reduces exhaust gasses that are re-circulated into the engine. This lowers engine temperatures, reduces soot buildup, and prevents carbon buildup on valves and in the intake. Removing the diesel particulate filter (DPF) eliminates exhaust backpressure allowing the turbo to spool up faster and the engine to breathe easier.

Together, an EGR and DPF delete can increase horsepower and torque, improve throttle response, reduce regeneration cycles, and prevent future EGR and DPF system failures. Many owners report an additional 50-100 horsepower at the rear wheels.

What’s Included in a 6.7 Delete Kit?

A 6.7 delete kit typically includes:

  1. EGR delete plates or block-off plates to block EGR passages
  2. DPF delete pipe to replace the DPF
  3. Re-tuning device or custom tune to disable the EGR and DPF systems
  4. Optional components like exhaust manifolds, up-pipes, down-pipes, etc. depending on the kit

Installing a 6.7 delete kit will void your factory warranty but many owners find the trade-off worthwhile for the performance and reliability benefits. If done legally and properly, an EGR and DPF delete can be a great modification for your Dodge 6.7L Cummins. But check your local laws regarding emissions modifications before proceeding.

Benefits of Installing a Delete Kit on Your 6.7 Powerstroke

Installing a 6.7 Powerstroke delete kit on your diesel truck comes with some sweet benefits.

First, you’ll get increased horsepower and torque. By deleting the exhaust gas recirculation (EGR) system and diesel particulate filter (DPF), you’re freeing up exhaust flow and reducing backpressure. This allows your turbocharger to spool up faster and your engine to breathe better, boosting power significantly. Many owners report gains of 50-100 horsepower or more.

You’ll also improve fuel economy. With less restriction, your engine doesn’t have to work as hard to overcome it, so it can operate more efficiently. Some drivers have seen their MPG increase by 1-3 miles per gallon after installing a delete kit.

  • Your truck will run cooler. Removing the EGR reduces heat in the intake, lowers engine temperatures and decreases the chance of overheating.
  • It prolongs engine life. The EGR and DPF recirculate soot and contaminants that can build up in your engine and turbo over time. Deleting them helps your 6.7L Powerstroke last longer.
  • Fewer warning lights and issues. No more worrying about EGR valve or DPF failures and costly repairs or regeneration cycles.

Overall, deleting your 6.7 Powerstroke is a great way to unlock its true potential and get the most out of your truck. The power, efficiency and reliability gains are worth the investment for many diesel owners. If you’re looking for more grunt and less hassle from your rig, a delete kit could be one of the best modifications you make.

How to Choose the Best Delete Kit for Your Needs

Choosing the right 6.7L Cummins delete kit depends on how you plan to use your truck. There are a few options to consider:

Street Performance Kit

If you want a little extra power for towing and daily driving, a street performance kit is a great choice. These kits typically include:

-Upgraded intake manifold

-High-flow air filter

-Performance exhaust (to increase airflow)

With a few bolt-on modifications, you can gain 10-15 horsepower and better throttle response. This is perfect if you want to boost performance without major changes.

High Performance Kit

For drag racing, dyno competitions or just maximum power, a high performance kit is the way to go. In addition to an intake and exhaust, these kits add:

-Ported and polished cylinder heads (to increase airflow into the engine)

-Performance camshaft (to optimize valve opening and closing)

-Injectors (to provide more fuel for the additional air)

-Tuner (to adjust ECU settings for peak performance)

You can gain 50 horsepower or more with one of these kits. However, the modified components may reduce engine longevity and driveability for everyday use.

Best Value

If budget is a concern, focus on the basics: a cold air intake, performance exhaust, and ECU tuner. These components provide the most “bang for your buck” by allowing more air in and out of the engine and optimizing fuel settings. You can pick up 10-20 horsepower for a few hundred dollars with a solid tune and supporting mods.

In the end, determine how radical of a power increase you want and how much you’re willing to spend. Then choose a 6.7L delete kit that suits your needs and budget.


Well there you have it, everything you could possibly want to know about the 6.7 delete kit. You now have all the details on what’s included, how much it costs, and the benefits of upgrading to this high-performance kit. Your truck will thank you, and you’ll have a blast putting this kit to work. The open road is calling your name!

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