How to Do LLy EGR Delete Kit


To perform a lly egr delete kit on a Duramax engine, you will need to follow these steps:

  1. Purchase the necessary components

    You will need an EGR Delete Tube and EGR Cap from a reputable supplier, such as ProFab.

  2. Prepare the engine compartment

    Ensure that you have the necessary Personal Protective Equipment (PPE) to work in the engine compartment safely.

  3. Remove the exhaust system

    You may need to remove the up pipe, depending on the specific kit you are using. Some kits may require the use of a block-off plate for flow reasons.

  4. Install the EGR Delete Tube and Cap

    Follow the instructions provided by the manufacturer to properly install the EGR Delete Tube and Cap in your engine.

  5. Reassemble the exhaust system

    Once the EGR Delete components are installed, reassemble the exhaust system according to the manufacturer’s instructions.

  6. Test the vehicle

    After completing the installation, test drive the vehicle to ensure that the EGR delete has been successfully implemented.

Risks associated with installing an egr delete kit on a lly duramax

Installing a lly duramax egr delete kit on LLY engine can have several risks associated with it. Some of the potential risks include:

  • Increased exhaust gas temperature

    When you remove the EGR system, the exhaust gases may not be cooled as effectively, leading to an increase in exhaust gas temperature.

  • Decreased fuel efficiency

    Removing the EGR system can affect the fuel efficiency of your vehicle, as the EGR system helps to recirculate exhaust gases, which can improve combustion efficiency.

  • Potential legal complications

    In some jurisdictions, modifying your vehicle to bypass emissions systems can be considered a federal crime in the United States. It is essential to check the laws in your area before installing an EGR delete kit.

  • Failure of state emissions tests

    If you choose to use an EGR delete kit on your vehicle as a way to bypass your system, you are 99.99% guaranteed to fail your emissions tests if they are required by the state.

  • Environmental concerns

    If you use the vehicle for off-road driving, the EGR delete may not be as detrimental to the environment as it would be on-road.

  • Potential engine issues

    Some users have reported issues with the EGR delete kit not fitting properly or causing problems with the engine.

The benefits of installing an egr delete kit on a lly duramax

  1. Improved fuel economy

    An EGR delete kit can improve your diesel engine’s power levels and overall fuel efficiency by reducing the amount of exhaust gas recirculated back into the engine.

  2. Increased engine longevity

    By reducing the amount of exhaust gas recirculated back into the engine, an EGR delete kit can help to reduce the likelihood of diesel particulate filter (DPF) clogging, which can lead to engine damage.

  3. Increased power

    An EGR delete kit can increase the power output of your engine by reducing the amount of exhaust gas recirculated back into the engine.

  4. Cleaner engine operation

    An EGR delete kit can help to reduce the amount of soot and other pollutants generated by your engine, leading to a cleaner engine operation.

  5. Less maintenance

    By removing the EGR system, you may be able to reduce the amount of maintenance required on your engine, as the EGR system can be prone to clogging and other issues.
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