14%
Full Delete Kit DPF/EGR/DEF | GM/Chevy Duramax 6.6L L5P | 2024-2025

Full Delete Kit DPF/EGR/DEF | GM/Chevy Duramax 6.6L L5P | 2024-2025

Ready to ship
SKU: 23744
For off-road and race use only

Price range: $3,440 through $3,958

Add to Wishlist
Add to Wishlist
Proven power gains.

Test bench. Real trucks. Real results.

Tuned by diesel addicts.

We drive what we sell.

Installs like OEM. Hits like aftermarket.

100% fit. Maximum output.

Fast shipping.

Ready to ship from US warehouses.

Description

2024-2025 GM/Chevy Duramax 6.6L L5P Delete Kit

The 2024, 2025 L5P delete kit is designed to enhance the performance of your GM/Chevy Duramax 6.6L L5P engine by removing restrictive emissions systems like DPF, EGR, and DEF. This comprehensive package improves exhaust flow, reduces soot recirculation, and eliminates the need for DEF fluid. The kit is engineered to unlock the full potential of your truck, providing better power and efficiency for off-road use. Experience the benefits of a cleaner engine and improved performance with this all-in-one solution. This 2024-2025 L5P tune and delete kit includes options for tuning and exhaust upgrades.

What’s Included

  • ECU Unlock Tool – Required for unlocking the ECM for tuning. This tool is essential for accessing the full capabilities of your engine’s ECU.
    • Tune Files – Custom tune files prepared for your specific setup, ensuring optimal performance and reliability.
    • ECU Unlock Service – The factory ECM must be removed and sent for the required unlock service before custom tuning can be installed. 
  • EGR Delete Kit – Removes the EGR valve and cooler, reducing soot recirculation and enhancing intake efficiency.
  • Exhaust Options – Choose between a 4″ or 5″ exhaust system or a delete pipe to customize sound and flow.
  • Muffler Options – Select between no muffler for maximum flow or with muffler for a quieter ride.
  • Installation Clamps and Hardware – Complete set of clamps and hardware for secure installation, ensuring a factory-quality fit.

Vehicle Compatibility

Years Engine Models Body Style Compatibility Notes
2024, 2025 6.6L Duramax L5P Silverado 2500HD, Silverado 3500HD, Sierra 2500HD, Sierra 3500HD Pickup only  Not compatible with 2017–2023 models

Ensure your vehicle matches the year, engine, model, and body style before ordering.

How It Works?

The L5P full delete kit removes the Diesel Particulate Filter, Exhaust Gas Recirculation, and Diesel Exhaust Fluid systems to enhance engine performance. By eliminating these restrictive components, the kit improves exhaust flow and reduces soot buildup, leading to a cleaner and more efficient engine. The included ECU Unlock Tool allows for custom tuning, optimizing power and fuel efficiency. This 2024-2025 L5P tune and delete kit for 2024-2025 models is perfect for those looking to maximize their truck’s potential.

Kit Specifications & Features

This 2024-2025 L5P Duramax delete kit stands out with its comprehensive design and high-quality components. Engineered for performance, it includes options for exhaust customization and tuning flexibility. The kit is designed for off-road use, ensuring your truck operates at peak efficiency without emissions-related limitations. The bundle also supports upgrades for boosting overall engine performance.

Available Tune Levels & Expected Gains

ECU Unlock Tool – This tuner utilizes the HP Tuners MPVI workflow, offering a stock file + infolog flash method. It supports monitoring and can provide significant power increases.

Tune Level Best Use
Level 1 +0 HP Stock Optimization
Level 2 +35 HP Daily Driving
Level 3 +70 HP Performance
Level 4 +125 HP High Performance
Level 5 +180 HP Extreme Performance

Optional Add-Ons

  • Multi-Tune Option – Includes all five separate calibration levels from +0 HP to +180 HP. This is not the same as an on-the-fly SOTF system; the selected calibration must be flashed according to the supplied instructions. 

Key Benefits

  • Improved Exhaust Flow – Removes restrictive components, allowing for better performance.
  • Reduced Soot Build-Up – EGR removal decreases soot recirculation in the intake.
  • Enhanced Power – Custom tuning can increase power by up to 180 HP.
  • Fuel Efficiency – May improve fuel economy by an estimated 5–10%.
  • Turbo Response – Estimated to improve turbo response by 200-400 RPM sooner.

Installation Information

Installation of the kit is straightforward with the included guide. Typically, it takes 3–5 hours to complete. Basic mechanical skills and tools such as wrenches and a jack stand are required. Tuning requires a Windows 10+ laptop and stable internet. For those inexperienced, professional installation at a diesel/performance shop is recommended.

  • Guide Included – Comprehensive instructions provided.
  • Estimated Time – Installation typically takes 3–5 hours.
  • Recommended Tools – Basic hand tools and a laptop for tuning.
  • Tuning Requirements – Requires ECU unlock and custom tune files.
  • Common Difficulties – Sensor handling and tight access areas.
  • Professional Install Recommendation – Advised for those without experience.

Common Emissions Fault Codes Removed

Installation and tuning of this kit will remove emissions-related fault codes from your dashboard. Common codes eliminated include:

  • P2463 – Diesel Particulate Filter Soot Accumulation.
  • P2002 – Diesel Particulate Filter Efficiency Below Threshold.
  • P0420 – Catalyst System Efficiency Below Threshold.

FAQ

This delete kit is the best solution because it completely removes restrictive emissions systems, allowing your engine to perform at its best. By eliminating the DPF, EGR, and DEF, you reduce maintenance and improve reliability. The included tuning options provide a custom experience tailored to your driving needs. With power gains up to 180 HP, it transforms your truck’s performance.

The tuning in this kit is special because it uses the HP Tuners-based ECU unlock workflow, allowing for precise customization. This ensures your engine runs smoothly and efficiently. The tuning files are tailored to your setup, providing optimal power and reliability. The flexibility of tune levels means you can choose the best performance for your needs.

Power can increase by up to 180 HP, depending on the selected tune level. Reliability improves as the engine operates without restrictive emissions components. This reduces stress on the engine and decreases the likelihood of soot-related issues. The custom tuning ensures your engine is optimized for performance and longevity.

Fuel economy may improve by an estimated 5–10% with the full delete and tune setup. By removing the DEF system and optimizing engine performance, you reduce fuel consumption. However, actual improvements depend on driving conditions and tune level. Many users report noticeable savings.

Towing performance is significantly enhanced with power gains up to 180 HP. The improved exhaust flow and custom tuning provide better torque and power delivery. This makes towing smoother and more efficient, especially on challenging terrains. The delete kit for L5P 2024-2025 is ideal for those who regularly tow heavy loads.