How much does it cost to replace an EGR delete kit?

How much does it cost to replace an EGR delete kit?

The cost to replace an EGR (Exhaust Gas Recirculation) delete kit can vary depending on several factors, including the brand of the kit, the vehicle's make and model, and whether you're doing the replacement yourself or having a professional mechanic do it. Here are some general cost estimates:


DIY Replacement:


If you're doing the replacement yourself, the cost will primarily be the price of the EGR delete kit.

EGR delete kits for a 6.7 Cummins engine can range from approximately $200 to $600 or more, depending on the brand and included components.

Keep in mind that this cost only includes additional tools you might need if you still need them.


Professional Installation:


If you're having a professional mechanic or automotive shop replace the EGR delete kit, the cost will include the price of the kit plus labor.

Labor costs vary widely based on location, shop rates, and how long the job takes. On average, labor costs can range from $200 to $800 or more.

When getting a quote from a mechanic, make sure to ask for a breakdown of parts and labor costs.


Total Estimated Cost:


For a rough estimate:

DIY EGR delete kit: $200 - $600 (kit cost)

Professional installation: $200 - $800+ (includes kit cost and labor)

Additional Costs to Consider:

Gaskets and Seals: Depending on the kit and your vehicle's condition, you may need to purchase additional gaskets or seals, which can add to the cost.

Coolant and Fluids: If you're draining coolant or other fluids during the replacement, you'll need to refill them, which adds to the cost.

Miscellaneous Materials: Items like RTV silicone sealant, penetrating oil, or coolant hose plugs may not be included in the kit and would need to be purchased separately.


Shop Around:


Prices can vary between dealerships, mechanics, and auto shops. It's a good idea to shop around and get quotes from different places.

Consider the reputation and experience of the mechanic or shop. Sometimes paying a bit more for quality workmanship can save money in the long run.




These are general estimates, and actual costs can vary. Always check with specific vendors or mechanics for the most accurate pricing.

If your vehicle is under warranty, modifying the emissions system could void that warranty, so be sure to consider that as well.

Before proceeding with an EGR delete kit installation, ensure you are aware of the legalities and potential consequences in your area.


If you need a new EGR delete kit, you can go through to find the premium product. It provides an EGR delete kit for several engine types, like Powerstroke, Cummins, Ecodiesel, and Duramax.


How to install EGR delete kit 6.7 Cummins?


Tools Needed:

  • EGR delete kit
  • Basic hand tools (sockets, wrenches, screwdrivers)
  • Safety goggles
  • Gloves
  • Torque wrench
  • RTV silicone sealant



Disconnect Battery: Remove the negative terminal.


Remove EGR Components:

EGR valve

EGR cooler assembly (with hoses)

EGR pipe

Install Delete Kit:

Use block-off plates on manifolds.

Plug coolant hoses.

Install new pipes if included.


Reinstall remaining parts.

Tighten bolts to specs.

Refill Coolant (if drained).

Reconnect Battery.

Check Connections:

Ensure all fittings are tight.

Start Engine:

Check for leaks or odd noises.

Test Drive:

Confirm proper function.

Dispose of Old Parts responsibly.

Is an EGR delete a good idea?


Whether an EGR (Exhaust Gas Recirculation) delete is a good idea depends on various factors, including your vehicle, local laws, and your specific needs. Here are some points to consider:


Pros of EGR Delete:


Improved Performance: Removing the EGR system can potentially improve engine performance, especially in older vehicles where the EGR system might be clogged or malfunctioning.


Reduced Maintenance: Without the EGR system, there's one less component to worry about failing or causing issues.


Prevent Carbon Buildup: EGR systems can lead to carbon buildup in the intake manifold and valves. Deleting it can reduce this buildup, potentially improving longevity.


Better Fuel Efficiency: Some users report a slight increase in fuel efficiency after removing the EGR system, as the engine can operate more efficiently without recirculating exhaust gases.


Cons of EGR Delete:


Legal and Warranty Issues: Deleting emissions equipment, including the EGR system, may violate emissions regulations in some areas. It can also void your vehicle's warranty if the manufacturer finds out.


Environmental Impact: EGR systems help reduce harmful emissions, so removing it means your vehicle will emit more pollutants into the environment.


Potential Check Engine Light: Without proper tuning or modifications, removing the EGR system can trigger a check engine light, which may affect your ability to pass emissions tests.


Drivability Issues: In some cases, especially if the delete is not done properly or the engine is not properly tuned afterward, there can be drivability issues such as rough idle or hesitation.




Vehicle Use: If your vehicle is primarily used off-road or for racing, an EGR delete might be more acceptable.


Local Regulations: Ensure you're aware of local laws regarding emissions modifications. Some areas have strict regulations against tampering with emissions equipment.


Warranty: Deleting emissions equipment can void your warranty. If your vehicle is still under warranty, consider this carefully.


Professional Installation: If you're not familiar with vehicle modifications, it's best to have an experienced mechanic or shop perform the delete to ensure it's done correctly.



Are EGR deletes illegal?


The legality of EGR (Exhaust Gas Recirculation) deletes varies by location and jurisdiction. In many places, removing or tampering with emissions control systems, including EGR systems, is considered illegal due to environmental regulations. Here are some points to consider:


Legal Considerations:


EPA Regulations (United States):


In the United States, the Environmental Protection Agency (EPA) regulates vehicle emissions. Tampering with emissions control systems, including EGR systems, is generally prohibited by federal law.


Removing the EGR system without proper certification can result in fines for individuals and penalties for businesses.


State and Local Laws:


Some states have adopted California's emissions standards (CARB - California Air Resources Board), which are among the strictest in the country.


In these states, removing or modifying emissions control systems without certification can result in fines and penalties.


Inspection and Emissions Testing:


In areas where emissions testing is required for vehicle registration, a removed or disabled EGR system will likely cause a vehicle to fail the test.


Consequences of Illegal EGR Deletes:


  • Fines and Penalties:


Engaging in illegal emissions modifications can lead to fines imposed by environmental agencies.

For businesses, there can be significant financial penalties and legal repercussions.


  • Voided Warranties:


Removing emissions equipment, including EGR systems, can void your vehicle's warranty. This means you would be responsible for all repair costs.


  • Vehicle Impoundment or Registration Revocation:


In extreme cases or repeated offenses, authorities may impound a vehicle found to have illegal emissions modifications.

Registration renewal may be denied for vehicles that do not meet emissions standards.


  • Legal Exceptions:


Off-Road Use Only: Some aftermarket parts are labeled "For Off-Road Use Only," meaning they are not legal for use on public roads.


Race Vehicles: EGR deletes are more commonly accepted in vehicles used solely for racing or off-road purposes. However, even in these cases, local regulations should be checked.


It's important to research and understand the laws and regulations regarding emissions control modifications in your area. While EGR deletes might offer performance benefits, they can also have legal consequences. If considering an EGR delete, it's advisable to consult with a professional mechanic or automotive expert who is familiar with local regulations.



How much HP does an EGR delete give?


The horsepower gain from an EGR (Exhaust Gas Recirculation) delete can vary depending on the specific vehicle, engine condition, and tuning adjustments made after the delete. Here are some general points to consider:


Potential HP Gain:


Moderate Increase: On average, an EGR delete can provide a moderate increase in horsepower, typically ranging from 5 to 15 horsepower.


Improved Efficiency: Removing the EGR system allows for cooler and denser intake air, which can lead to improved combustion efficiency and power output.


Reduced Heat: Without recirculated exhaust gases, the engine runs cooler, which can also contribute to improved performance.


Factors Influencing HP Gain:


Vehicle Condition: The impact of an EGR delete can be more significant on vehicles with older or clogged EGR systems.


Engine Tune: To fully realize the potential horsepower gain, it's often recommended to adjust the engine's tuning after the delete. This may involve remapping the engine's computer (ECU) to optimize performance.


Other Modifications: The overall impact on horsepower can also be influenced by other modifications made to the vehicle, such as exhaust upgrades or intake modifications.


Example Scenarios:


Stock Vehicle: In a stock vehicle with no other modifications, a typical EGR delete might result in a 5 to 10 horsepower gain.


Performance Tuned: If the vehicle is performance-tuned after the delete, the horsepower gain could be higher, potentially reaching 15 horsepower or more.


Real-world Variations:


It's important to note that actual gains can vary widely based on these factors. Some users report significant improvements in throttle response and overall drivability, even if the horsepower increase is modest.


What are the most common causes of EGR failure?


The EGR (Exhaust Gas Recirculation) system can fail due to various reasons, with some common causes including:


  1. Carbon Buildup:


One of the most common causes is carbon buildup within the EGR system. Over time, exhaust gases passing through the EGR system can leave carbon deposits, leading to clogging.

This buildup can occur in the EGR valve, cooler, and associated passages, restricting flow and causing the system to malfunction.


  1. Clogged or Stuck EGR Valve:


The EGR valve itself can become clogged with carbon or soot, preventing it from opening or closing properly.

When the valve gets stuck in either the open or closed position, it can disrupt the EGR system's operation.


  1. Malfunctioning EGR Cooler:


EGR coolers are used to lower the temperature of recirculated exhaust gases before they are reintroduced into the engine.

If the cooler fails or becomes clogged with carbon deposits, it can lead to overheating and failure of the EGR system.


  1. Electrical or Mechanical Issues:


Problems with electrical components, such as wiring harnesses, connectors, or the EGR position sensor, can cause EGR system malfunctions.

Mechanical failures in the EGR system's components, like a broken actuator or linkage, can also lead to issues.


  1. Engine Oil Contamination:


Oil can find its way into the EGR system through the crankcase ventilation system.

When oil mixes with exhaust gases, it can create a sticky residue that promotes carbon buildup and clogs the EGR components.


  1. Driving Habits:


Short, stop-and-go trips or low-speed driving can contribute to EGR system issues.

These driving patterns may not allow the engine to reach optimal operating temperatures, leading to increased carbon buildup.


  1. Poor Quality Fuel:


Low-quality or contaminated fuel can leave deposits in the EGR system, contributing to clogging and failure over time.


  1. Overheating:


In some cases, engine overheating can damage EGR system components, particularly the EGR cooler.

Overheating may occur due to coolant leaks, insufficient coolant levels, or other cooling system issues.

Prevention Tips:


Regular maintenance, including cleaning or replacing the EGR valve and cooler at recommended intervals, can help prevent failure.

Using high-quality fuel and engine oil can reduce the risk of contamination.

Following proper driving habits, such as allowing the engine to warm up fully and avoiding excessive idling, can also help maintain the EGR system.

How long can you drive with bad EGR?

Driving with a malfunctioning EGR (Exhaust Gas Recirculation) system can be risky and may lead to various issues with your vehicle's performance and emissions. Here are some points to consider:


Effects of a Bad EGR:


Reduced Performance: A malfunctioning EGR system can cause a decrease in engine power and efficiency.


Increased Emissions: The purpose of the EGR system is to reduce emissions by recirculating exhaust gases. A bad EGR system can lead to higher emissions output.


Check Engine Light: A malfunctioning EGR system will often trigger the vehicle's check engine light to illuminate on the dashboard.


Potential Engine Damage: In severe cases, a malfunctioning EGR system can lead to engine knock, increased cylinder temperatures, and potential long-term damage.


Can You Drive with a Bad EGR?


Short Distance: In some cases, you may be able to drive a short distance with a malfunctioning EGR system. However, it's not recommended for extended periods.


Limited Performance: Your vehicle may run poorly, with reduced power and potential hesitation or stalling.


Emissions Issues: Driving with a bad EGR system can lead to increased emissions, which may not meet local regulations or requirements for vehicle inspections.


Risks and Considerations:


Engine Damage: Continuing to drive with a severely malfunctioning EGR system can lead to damage to other engine components over time.


Safety Concerns: Reduced engine performance can impact your ability to safely merge onto highways or maneuver in traffic.


Legal Issues: In areas with emissions testing or regulations, driving with a bad EGR system could result in fines or penalties.


Recommended Action:


Immediate Attention: If your vehicle's EGR system is malfunctioning, it's best to address the issue as soon as possible to avoid potential damage and safety risks.


Diagnostic Check: When the check engine light comes on, have your vehicle scanned for error codes to identify the specific issue with the EGR system.


Repair or Replacement: Depending on the severity of the issue, repairing or replacing the EGR system components may be necessary.


Will EGR delete cause black smoke?

The duration you can drive with a bad EGR (Exhaust Gas Recirculation) system depends on the specific issue and how severe it is. Here are some general guidelines:


Mild Symptoms:


If you're experiencing mild symptoms such as occasional rough idling, decreased fuel efficiency, or a sporadic check engine light related to the EGR system, you might be able to drive for a while before the issue worsens.

It's generally not recommended to ignore these symptoms for too long, as they can escalate into more severe problems.


Severe Symptoms:


If the EGR system has completely failed, you may experience more severe symptoms like constant rough running, loss of power, or persistent check engine light indicating a serious fault.

In such cases, it's best to avoid driving the vehicle except to get it to a repair facility as soon as possible. Continuing to drive with severe EGR system issues can potentially cause further damage to other engine components.


Risks of Driving with a Bad EGR:


Reduced fuel efficiency and performance.

Risk of engine damage or failure, especially if excessive carbon buildup leads to clogged components.

Risk of engine overheating if the EGR cooler fails, as this can affect the engine's cooling system.


Black Smoke After EGR Delete:


An EGR delete alone should not directly cause black smoke from the exhaust.

Black smoke typically indicates an overly rich fuel-to-air ratio, often due to other factors such as incorrect tuning or other modifications done alongside the EGR delete.

After an EGR delete, proper tuning is essential to ensure the engine runs smoothly and efficiently. If the tuning is not adjusted correctly, it can lead to black smoke.

If you're experiencing black smoke after an EGR delete, it's advisable to have the vehicle checked by a professional tuner to adjust the fueling properly.


Driving with a bad EGR system is generally not recommended for extended periods, especially if the symptoms are severe. It's best to have the issue diagnosed and repaired as soon as possible to avoid potential engine damage. Additionally, an EGR delete alone should not cause black smoke, but proper tuning is crucial after the delete to prevent such issues.

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