2017-2023 Duramax L5P Delete Kit – DPF/DEF/EGR Removal & Tuning

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Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.
Best L5P delete kit with downpipe-back exhaust, block-off plates, hoses, gaskets, OBD2 tuner and L5P E41 ECU unlock kit.

GM Duramax L5P - All-In-One DPF/DEF/EGR Delete Kit (2017-2023)

$3,258.96

Availability: In Stock

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$3,258.96

Want year-specific guidance? Pick your vehicle year:
2017 2018 2019 2020 2021 2022 2023

Strictly for off-road adventures

Images are for illustrative purposes only. Actual product appearance may vary

Revamp Your Ride with the L5P GM Duramax All-in-One Delete Kit

Embark on a journey of enhanced performance with the cutting-edge Duramax L5P EGR and DPF delete kit meticulously crafted for your 2017-2023 GM Sierra and Silverado 2500/3500 L5P Duramax trucks. Say farewell to the complexities of conventional ECU replacements with the revolutionary Unlock Tool Upgrade. Prepare to redefine your truck's performance limits!

Vehicle Compatibility

Make/Model

GMC Sierra 2500, 3500

Chevrolet Silverado 2500, 3500

Year Range

2017-2023

Engine Type

6.6L Duramax Diesel

What's Included in the Kit




ECM Unlock & Tuning

  • L5P ECU Unlock Kit
  • OBD2 Flash Delete Tuning Interface



EGR System

  • Complete EGR Valve & Cooler delete kit



Exhaust System Of Your Choice

  • Stainless Steel Delete Pipe
  • 4" Stainless Steel Exhaust System
  • 5" Stainless Steel Exhaust System



Performance Tuning

  • CAN Bus Plugs

What's Included in this Kit:

  • The innovative Unlock Tool Upgrade
  • OBD2 Flash Delete Tuning Interface
  • 6 tuning credits
  • 5 Tune SOTF package
  • A comprehensive EGR Delete Kit
  • A CAN Communication Harness plug Kit
  • Your choice of Exhaust System or a Delete Pipe

Personalize Your Kit in Two Simple Steps:

1) Select Your Truck's Model Year:

Choose from model years 2017-2019 or 2020-2023 for your GM Sierra or Silverado 2500/3500 L5P Duramax truck.

2) Pick Your Ideal Exhaust System:

Customize your ride with a straight delete pipe, a 4-inch exhaust for added power, or a 5-inch exhaust for maximum performance.

Unlock Tool Upgrade vs. Traditional ECU Swap

Make the smart choice with the Unlock Tool Upgrade for a hassle-free, efficient, and forward-looking tuning experience. Say goodbye to the complexities of ECM replacements and time-consuming relearn procedures.

At DPF Delete, we are committed to innovation. The Unlock Tool Upgrade streamlines the upgrade process, offering precision and adaptability like never before. With our customizable All-in-One Delete Kit Builder, tailor your kit to your exact requirements and embrace a smoother and more efficient upgrade journey.

Shipping & Tuning Information

Shipping times are subject to order specifics. Custom kits may require additional preparation time before dispatch.

Be sure to review the instruction guide before commencing the installation.

We appreciate your understanding of the nuances of engine tuning and thank you for your patience.

Embark on a journey to unparalleled performance with DPF Delete today!

 Access L5P Installation Instructions Here 

 Discover the essentials for tuning your L5P-powered Duramax here.

Choose DPF Delete for Precision & Performance Beyond Compare.

 Kindly review our Terms & Conditions - Please refer to our Shipping Policy and Notes Below 

Please Note: The vehicle must be tuned prior to deleting the emissions systems.

  • Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
  • Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
  • Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
  • Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
  • No Liability: DPFdelete is not responsible for any damage or issues that may arise from the use of these parts.
  • Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
  • No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

At DPFDelete.com, we recognize how critical timely delivery is for your performance parts. Our mission is to ensure a smooth and fast shipping experience, dispatching your orders with maximum efficiency and speed.

Our Shipping Policy:
Our goal is to ship all orders within two business days, ensuring quick and efficient processing. However, please keep in mind that unexpected circumstances beyond our control may occasionally affect delivery timelines.

Factors Affecting Shipping:
While we are proud of our fast order processing, adverse weather conditions such as rain, snow, or sleet could impact delivery times. We guarantee that we will do everything possible to minimize delays and overcome these challenges.

Our team takes a break during holidays, so our shipping center will be closed on those days. Shipping will resume promptly on the next business day. Please allow for possible delays during peak holiday seasons, but rest assured, we’ll keep you updated and work to get your order to you as quickly as possible.

While we have an exceptional team, unforeseen circumstances might occasionally impact staffing levels, leading to minor delays. We are committed to resolving any issues quickly and upholding our high standards of service.

We truly appreciate your patience and understanding during any unexpected challenges. Rest assured, we will use all available resources to ensure your performance parts arrive promptly.

Thank you for choosing DPFDelete.com, where our passion drives our commitment to exceptional customer service.

Frequently Asqued Questions

How much does a complete L5P delete kit cost?
Our comprehensive L5P Duramax delete kit for 2017-2023 GM trucks is priced at $3,258.96 and represents the ultimate solution for serious performance enthusiasts. This complete package includes the revolutionary L5P ECU Unlock Kit with OBD2 Flash Delete Tuning Interface, a full EGR delete kit and your choice of premium stainless steel exhaust system. The investment covers everything needed for a full deletion including 6 tuning credits and 5-position SOTF tuning, making it the most complete L5P delete kit available for your Silverado or Sierra 2500/3500 hd.
How much horsepower does an L5P Duramax delete kit add?
Our L5P delete kit delivers substantial horsepower gains through comprehensive tuning that maximizes the 6.6L Duramax potential after removing restrictive emissions components. The included 5-position SOTF tuning package allows you to select power levels tailored to your 2017-2023 HD truck's capabilities, with many customers reporting dramatic improvements in both horsepower and torque. This transformation is achieved through the advanced OBD2 Flash Delete Tuning Interface that optimizes performance parameters specifically for deleted applications.
What is included in a complete L5P Duramax delete kit?
Our complete L5P delete kit includes seven essential components: the innovative ECU Unlock Tool, OBD2 Flash Delete Tuning Interface, 6 tuning credits, 5-position SOTF package, comprehensive EGR delete kit, CAN bus communication harness and your choice of stainless steel exhaust system. This all-in-one solution for 2017-2023 Silverado and Sierra HD trucks eliminates the need for traditional ECM replacement while providing everything required for a professional-grade deletion.
How long does installation take for an L5P delete kit?
Professional installation of our L5P delete kit typically requires 1-2 days for 2017-2023 Duramax trucks, though the advanced Unlock Tool Upgrade significantly streamlines the process compared to traditional ECM swaps. The included OBD2 Flash Delete Tuning Interface reduces programming time while ensuring proper calibration for your specific GM Sierra or Silverado 2500/3500. Many professional shops complete the full installation and tuning within a single business day.
What are the benefits of an L5P Duramax delete kit?
The benefits of our L5P delete kit include dramatically increased horsepower and torque, improved fuel economy, enhanced engine reliability and elimination of costly emissions system failures. By removing the restrictive DPF and EGR systems from your 2017-2023 Duramax, our kit utilizing the ECU Unlock Technology prevents common L5P weak points while delivering transformative performance gains for your GM HD truck. This comprehensive solution represents the ultimate performance upgrade for serious diesel enthusiasts.

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