L5P Delete and Tune Kit | 6.6L Duramax | 2017-2026 GMC/Chevrolet – options and add to cart
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2020 Chevy/GMC Silverado/Sierra 6.6L L5P Duramax Delete Kit
Address 2020’s emissions standards with precision. This kit includes the Unlock Tool, 8 tuning credits, EGR Delete Kit and a 3-bolt flange exhaust (delete pipe, 4", or 5"). Retain factory ECU functionality while enabling 150HP tuning potential and DEF-free operation.
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
- 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
Key Benefits & Features
ECU Preservation
Maintain original ECM functionality while applying performance upgrades.
Regeneration Cycle Elimination
Discontinue forced DPF regeneration processes.
Acoustic Customization
Choose between discreet delete pipes or performance-oriented 5-inch exhausts.
Optimized Calibrations
Pre-configured files enhance turbo responsiveness and shift patterns.
Important Note: This L5P Delete Kit is intended for off-road use only. Please check your local regulations before purchasing.