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6.7L Cummins EGR Delete: Pros and Cons Explained

Considering an EGR delete for your 6.7L Cummins engine? It's essential to weigh the benefits against the potential drawbacks. In this comprehensive guide, we'll delve into the advantages and disadvantages of EGR delete, helping you make an informed decision about this popular modification. From performance enhancements to legal and environmental considerations, we'll explore every aspect to ensure you understand the full implications of EGR delete on your Cummins-powered vehicle. Let's dive in and uncover the truth behind EGR delete on 6.7L Cummins engines.

1. What is EGR Delete?

The EGR (Exhaust Gas Recirculation) system is an important part of many modern diesel engines, including the 6.7L Cummins Diesel engine in the popular Dodge Ram. The main purpose of the EGR system is to recirculate a portion of the exhaust gas back into the engine's combustion chamber to reduce nitrogen oxide (NOx) emissions. However, many owners find that the EGR system can have a negative impact on engine performance and fuel economy, so they choose to perform an EGR delete.

What the EGR System Does

The EGR system reduces NOx emissions by recirculating a portion of the exhaust gas, lowering combustion temperatures. However, this process can result in increased engine deposits, reduced power, and reduced fuel efficiency.

What is EGR Delete?

EGR Delete is the removal or disabling of the EGR system so that exhaust gas is no longer recirculated into the engine's combustion chamber. This modification is designed to improve engine performance and fuel economy, reduce deposits, and simplify maintenance.

How to Perform an EGR Delete

Specific tools and equipment are required to perform an EGR Delete, including an EGR Delete kit. The 6.7 Cummins EGR Delete Kit With Tuner from SPELAB is an ideal choice, as it not only contains all the necessary parts, but also comes with a tuner to optimize engine performance.

The EGR delete process involves removing components such as the EGR valve, EGR cooler, and installing the corresponding baffles and seals. The use of a tuner helps adjust the engine control unit (ECU) to ensure that the engine operates properly without the EGR system.

Read on to learn about the specific benefits of EGR delete on the 6.7L Cummins engine.

Cummins

2. Benefits of EGR deletion on 6.7L Cummins engine

Performance improvements

For Dodge Ram owners, EGR deletion can significantly improve engine performance. When exhaust gases no longer flow back into the combustion chamber, the combustion process is more efficient, the engine's power output is increased, and response speed is improved. Many users of Cummins Diesel engines report significant improvements in vehicle acceleration after EGR deletion.

fuel economy

Fuel economy is another important aspect that many car owners are concerned about. By deleting EGR, the engine can burn fuel more efficiently and reduce unnecessary energy loss. While results may vary depending on driving habits and conditions, many 6.7L Cummins owners have found that fuel economy improves when EGR is deleted, especially on long drives.

Reduce carbon deposits

The EGR system will reintroduce carbon particles in the exhaust gas into the combustion chamber, causing an increase in carbon deposits inside the engine. Carbon deposits can have a negative impact on the normal operation of the engine and even lead to reduced performance and increased maintenance costs. EGR deletion can effectively reduce carbon deposit accumulation, thereby extending the service life of the engine and simplifying daily maintenance.

Read on to learn about the potential disadvantages of EGR deletion to help you make a more informed decision.

3. Disadvantages of EGR Delete

Environmental Impact

While EGR Delete can improve engine performance and fuel economy, it also increases NOx emissions. These emissions have a negative impact on air quality and may contribute to environmental pollution. For environmentally conscious car owners, this disadvantage needs to be carefully considered.

Legal Risk

EGR Delete is illegal in some areas because it violates local emissions regulations. Many states check the operation of the EGR system during the annual vehicle inspection. If the EGR system is found to be deleted or disabled, the owner may face fines or fail the annual inspection. Therefore, before performing EGR Delete, it is important to understand local laws and regulations to avoid unnecessary legal risks.

Warranty Void

Many car manufacturers' warranty terms clearly state that any modification to the emission control system will result in the warranty being voided. This means that if the owner performs EGR Delete, the manufacturer's warranty service for the engine and related components may be lost. If there is a problem with the engine or other systems, the repair costs may be borne by the owner.

Read on to learn about the high-quality EGR Delete kits provided by SPELAB and their features.

4. SPELAB's EGR Delete Kit Recommendation

High-quality EGR Delete Kit

SPELAB's 6.7L Cummins EGR Delete Kit is one of the leading products on the market, designed for Dodge Ram owners. We are committed to providing high-quality, high-performance products to meet the needs of different customers. Our EGR Delete Kit is not only durable, but also easy to install, which is very suitable for car owners who pursue performance improvement.

Kit Features

SPELAB's 6.7 Cummins EGR Delete Kit With Tuner contains all the necessary parts, including baffles, seals and high-efficiency tuners. The tuner can optimize the engine control unit (ECU) to ensure that the engine runs normally without the EGR system. In addition, the components in the kit have been strictly tested to ensure their reliability and long life.

Baffles and seals: high-quality materials ensure good sealing and prevent leakage.

High-efficiency tuner: adjust ECU parameters to improve engine performance and fuel economy.

Easy Installation: detailed 6.7 Cummins EGR Delete Instructions guide you to complete the installation smoothly.

Customer Coverage

Our customers are spread across North America, South America, Asia, the Middle East and Europe. SPELAB has warehouses in Kentucky, California, and New Jersey to ensure fast delivery of products. We are committed to providing quality service and bringing a good shopping experience to every customer.

Continue reading to learn the detailed installation steps and guides for the 6.7L Cummins EGR delete.

Cummins

5. 6.7L Cummins EGR Delete Installation Steps

Preparation

Before you start the installation, make sure you have the following tools and equipment:

  • Wrenches and wrench sets
  • Screwdrivers
  • Screwdrivers
  • Screwdriver set
  • Safety glasses and gloves

6.7 Cummins EGR Delete Kit by SPELAB

Detailed Installation Steps

  • Preparation: Park the vehicle on a flat surface and make sure the engine is cool.
  • Remove the EGR system: Remove the hood using a wrench and screwdriver to access the components of the EGR system. Remove the EGR valve, EGR cooler and other related components step by step according to the 6.7 Cummins EGR Delete Instructions.
  • Install the baffle plate and seal: Install the baffle plate and seal provided by SPELAB to the corresponding position, ensuring that the fastening screws are firm and the seal completely covers the interface.
  • Connect the tuner: Connect it to the engine control unit (ECU) according to the tuner's instructions, and adjust the parameters to optimize engine performance according to the 6.7 Cummins EGR Delete Kit With Tuner.
  • Reassembly: Reinstall the rest of the EGR system and make sure all connections are tight and secure.
  • Test Run: Start the engine and let it run for a few minutes to make sure everything is working properly. Check for any leaks or unusual noises.
  • Tuning: Fine-tune the tuner to achieve optimal performance and fuel economy based on actual conditions.

Tuner Setup

The setup of the tuner may take some time and patience. Please read the instructions for the tuner carefully and adjust it according to your personal preferences and driving habits. After completing the tuner setup, you will experience a significant increase in engine performance and fuel economy.

Read on to learn about the potential effects and risks of EGR deletion on the 6.7L Cummins engine.

6. Local regulations and environmental considerations in the United States

U.S. emission regulations

In the United States, automobile emissions are strictly regulated and are set and enforced by the U.S. Environmental Protection Agency (EPA). Under the Clean Air Act, all automobiles must meet federal emission standards to reduce negative impacts on air quality. The EGR system is one of the key components to reduce diesel engine emissions. Therefore, deleting or modifying the EGR system may violate federal emission regulations, causing the vehicle to fail annual emission inspections, resulting in fines and other legal consequences.

California emission regulations

California has one of the strictest emission regulations in the United States. The state has set its own automobile emission standards (CARB standards) that far exceed federal standards. According to the California Air Resources Board (CARB), any modification to the emission control system must be certified by CARB. Therefore, EGR deletion in California may face stricter legal constraints and penalties.

Environmental considerations

The EGR system is designed to reduce exhaust pollutants produced by diesel engines, especially nitrogen oxides (NOx). NOx is a gas that is harmful to the environment and human health and plays an important role in the formation of acid rain and ozone layer depletion. By deleting the EGR system, the vehicle may produce more NOx emissions, exacerbating these environmental problems. Therefore, when performing EGR deletion, a balance needs to be struck between performance improvement and environmental protection to ensure that no further negative impact is caused to the environment.

Alternatives

Given legal and environmental considerations, some car owners may choose other alternatives to improve vehicle performance without affecting emissions. For example, using certified emission control equipment or upgrading the car's engine management system (ECU) to improve performance. These alternatives can achieve performance improvements without violating regulations while protecting the environment.

Read on to learn about the benefits and potential risks of EGR deletion and decide if it fits your needs and preferences.

7. Why choose SPELAB's EGR delete kit?

High Quality and High Performance

SPELAB, as a manufacturer of automotive performance parts, we are committed to providing high-quality, high-performance products. Our 6.7L Cummins EGR delete kit undergoes strict quality control and testing to ensure that each component can operate stably and reliably. We use high-quality materials to manufacture baffles and seals to ensure their durability and sealing. The tuner uses advanced technology to optimize the parameters of the engine control unit to improve engine performance and fuel economy.

Excellent Service

As a professional manufacturer of automotive performance parts, we are committed to providing customers with excellent service. Our customer coverage is wide, covering North America, South America, Asia, the Middle East and Europe. We have warehouses in Kentucky, California and New Jersey to ensure that products can be delivered in time. No matter where you are, we will wholeheartedly provide you with support and assistance to ensure that your shopping experience is pleasant and smooth.

Customer Satisfaction

Our business philosophy is "high quality, high performance, high service", and we always take customer satisfaction as our primary goal. Whether you have any questions or comments about our products or services, please feel free to contact us. Our team will wholeheartedly provide you with support and assistance to ensure that you have a satisfactory experience using SPELAB's EGR delete kit.

Choose SPELAB, choose high-quality automotive performance parts, choose reliable service, and take your vehicle performance to the next level!

2013+ 6.7 Cummins EGT Relocation Kit |SPELAB

2013, 2014, 2015, 2016, 2017,2018,2019,2020,2021,2022,2023,2024 Dodge Ram 2500/3500 6.7 Cummins Diesel

Package Includes: EGT Sensor Harness Wiring Harness Protector Sensor Threaded Fitting for Exhaust Flap

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FAQs

Q1: What are the disadvantages of EGR delete?

A1: The disadvantages of EGR delete include potential legal issues due to violation of emissions regulations, increased NOx emissions impacting air quality, and the risk of voiding vehicle warranties.

Q2: Is EGR delete good for diesel engines?

A2: EGR delete can be beneficial for diesel engines in terms of improving performance and fuel efficiency. However, it may also have environmental and legal consequences that need to be considered.

Q3: What does an EGR delete do on a Cummins engine? 

A3: An EGR delete on a Cummins engine removes or disables the Exhaust Gas Recirculation (EGR) system, which is designed to reduce NOx emissions by recirculating exhaust gases. This modification can improve engine performance and reduce carbon buildup.

Q4: What are the benefits of EGR delete? 

A4: The benefits of EGR delete include improved engine performance, increased fuel efficiency, and reduced carbon buildup. It can also simplify maintenance and decrease the risk of potential EGR-related issues.

Q5: What happens if I delete EGR without deleting DPF? 

A5: Deleting the EGR system without addressing the Diesel Particulate Filter (DPF) can lead to imbalances in the emissions control system. This may result in increased emissions, potential engine damage, and legal implications.

Q6: Can EGR delete improve fuel economy? 

A6: Yes, EGR delete can improve fuel economy by optimizing combustion efficiency and reducing energy losses associated with exhaust gas recirculation. However, the extent of fuel economy improvement may vary depending on driving conditions and vehicle specifications.

Q7: Is EGR delete legal in all states?

A7: EGR delete legality varies by jurisdiction. While some states may have lenient regulations regarding emissions control modifications, others strictly enforce emissions standards. It is essential to research and understand local laws before performing an EGR delete.

Q8: What are the risks of EGR delete for my vehicle warranty?

A8: Deleting the EGR system may void portions of your vehicle warranty, particularly if the modification leads to subsequent engine or emissions-related issues. It's crucial to consult your vehicle manufacturer's warranty terms and conditions before proceeding with an EGR delete.

Q9: Can I install an EGR delete kit myself?

A9: Installing an EGR delete kit typically requires moderate mechanical skills and the right tools. While some enthusiasts may opt for a DIY approach, others prefer professional installation to ensure proper fitment and functionality. Always follow manufacturer instructions and safety precautions.

Q10: Will EGR delete affect my vehicle's emissions test?

A10: Yes, EGR delete can impact emissions test results, potentially causing your vehicle to fail inspection in areas where emissions compliance is mandatory. It's essential to consider the legal and environmental implications of EGR delete before making modifications to your vehicle.

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