What Does It Mean To Delete A Diesel? Benefits, Risks, & Alternatives.

Diesel engines inherently produce dirty exhaust, which can ultimately reduce their performance. Over time, soot and carbon accumulate in the exhaust gas recirculation, sensors, cooler, valves, and many other components. When these parts become clogged, performance and fuel efficiency suffer, requiring cleaning or replacement. Instead of maintaining these emission control features, some diesel owners prefer to “delete” them. If you’re one of them and need to learn more about diesel deletion, continue reading!

Why Is It Necessary To Delete Diesel?

Have you ever heard that you can transform your truck into a heavy-duty powerhouse simply by performing a “diesel deletion?” Well, there are several reasons to consider getting a diesel deletion.

First and foremost, diesel deletion can enhance engine airflow and prevent soot buildup by removing the EGR system. As a result, both the engine’s efficiency and performance improve. Moreover, removing the DPF will free the engine from the particulate matter clogging it up and causing overheating. In short, diesel deletion is performed to make the truck even more powerful.

Diesel Deletion Kits

When it comes to getting a diesel deletion done, three kits are available: a DPF delete kit, a DEF delete kit or an EGR delete kit. Diesel drivers often seek out these services.

DPF Delete

The diesel particulate filter (DPF) is a standard component of all newer diesel exhaust systems. Its primary purpose is to clean the tailpipe of any soot buildup. If these filters become too clogged, the DPF can become damaged, leading to a slowed exhaust system. Additionally, cleaning the engine of particulate matter can reduce performance, fuel efficiency, and engine longevity. That’s why many diesel truck owners choose to remove their diesel particulate filters through a “DPF delete.”

DEF Delete

Most modern trucks are equipped with DEF systems. These systems break down and clean the exhaust gases, working in conjunction with the factory SCR (selective catalytic reduction) system. However, the DEF can negatively impact performance and fuel economy, and the system can freeze up, especially in colder climates, due to the water content in DEF. Removing the DEF system can be a cost-effective and hassle-free solution.  

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EGR Delete

The exhaust gas recirculation (EGR) system is a different system entirely. EGR recycles exhaust gases, lowering exhaust emissions by reintroducing them into the engine. However, this factory-installed device may increase engine wear, leading to reduced vehicle acceleration, valve issues, cylinder leaks, coolant problems, and other costly repairs. So, getting more incredible mileage out of the truck’s engine is possible after completing an EGR deletion using EGR delete 6.7 Cummins.

Pros and Cons of Diesel Deletion

Here are some advantages and disadvantages to keep in mind while diesel deletion.


  • Better fuel mileage
  • More power and torque
  • Less carbon buildup
  • Extended engine longevity
  • No need to worry about emissions equipment
  • Affordable kits


  • Powertrain warranty issues
  • Low resale value
  • Illegal in many states
  • It could fail if not tuned properly
  • Louder exhaust with noisy turbo sound
  • More carcinogenic smoke

Potential Risks for Diesel Deletion

Diesel engine performance, fuel economy, and torque can all be improved by deleting diesel, which modifies the exhaust process. It is critical, however, to be aware of the potential risks and hazards of this adjustment.

  1. Without the DPF filter, soot and particles can build up on engine components, causing premature wear and potentially damaging the engine, leading to increased maintenance costs.
  2. Removing the diesel particulate filter will void the vehicle’s warranty, resulting in expenses for any engine-related issues.
  3. In many countries, deletion is prohibited due to the emissions it causes, and violating the law may lead to vehicle impoundment.
  4. Incorrectly performed DPF removal can cause permanent damage to any diesel engine.
  5. There is no guarantee removing the DPF will enhance fuel economy.

These risks can be increased by using bad-quality deletion kits. For this reason, those who opt for a DPF delete should ensure they have high-quality deletion kits fitted, such as an EGR delete 6.7 Cummins.

Better Diesel Deletion Alternatives

If you’re concerned about the potential issues associated with a complete deletion, there are still alternatives. You can perform a partial deletion while improving performance, complying with the law, and being environmentally conscious by:

  • Tuning without complete diesel deletion
  • Using aftermarket modules
  • Performing EGR modifications
  • Upgrading SCR system
  • Tuning the transmission occasionally
  • Cleaning DPF instead of deleting it

Do not hesitate! If you’re planning to buy either EGR delete kit, DPF delete pipe, RAM 2500 delete kit, exhaust systems, or Jeep wheel lights, it’s the best time!


DpfEgr delete kit

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