2021 Chevy/GMC Silverado/Sierra 6.6L L5P Duramax Delete Kit
Maximize operational efficiency for the 2021 L5P Duramax through systematic emissions system removal. The mandrel-bent 4-inch exhaust system enhances airflow, while SOTF tuning allows flexible power adjustments (0HP–150HP) to align with driving requirements.
Vehicle Compatibility
Make/Model
GMC Sierra 2500, 3500
Chevrolet Silverado 2500, 3500
Year Range
2020-2023
Engine Type
6.6L Duramax Diesel
What's Included in the Kit
ECM Unlock & Tuning
- Ford harness for fine-tuning
- 8 tuning credits included
EGR System
- Complete EGR Valve & Cooler delete kit
Exhaust System
- Your choice of 4" or 5" stainless steel delete pipe
Performance Tuning
- CAN Bus Plugs
Key Benefits & Features
✓
Increased Power & Efficiency
Free-flowing exhaust system delivers more horsepower while improving fuel economy
✓
Optimized Engine Performance
Better combustion chamber temperatures for improved reliability and power output
✓
Extended Engine Life
Reduces stress on cooling and exhaust systems for longer component life
✓
Complete Package
Everything needed for a full 2020-2022 Powerstroke delete in one kit
Important Note: This L5P Delete Kit is intended for off-road use only. Please check your local regulations before purchasing.
Frequently Asked 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.
$--.--
Secure payments
