L5P Delete and Tune Kit | 6.6L Duramax | 2017-2026 GMC/Chevrolet – options and add to cart
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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.