2025 6.6 L5P Duramax Delete Kit | Fits Silverado, Sierra 2500/3500

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41691013185632

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2025 Chevy/GMC Silverado/Sierra 6.6L L5P Duramax Delete Kit

Take your 2025 GM Sierra or Chevrolet Silverado 2500/3500 with the L5P Duramax to the next level. This kit removes the DPF, DEF, and EGR systems, letting your truck run stronger, breathe easier, and get better fuel efficiency. The Unlock Tool Upgrade makes installation simple without any complicated ECU swaps.

Vehicle Compatibility

Make/Model

GMC Sierra 2500, 3500

Chevrolet Silverado 2500, 3500

Year Range

2024-2025

Engine Type

6.6L Duramax Diesel

What's Included in the Kit

L5P ECU Unlock kit
obd 2



ECM Unlock & Tuning

  • L5P ECU Unlock Kit
  • OBD2 Flash Delete Tuning Interface
Duramax EGR Delete & cooler



EGR System

  • Complete EGR Valve & Cooler delete kit
Delete Pipe
4 inch Pipe
5 inch Pipe



Exhaust System Of Your Choice

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

Key Benefits & Features

✓

Future-Proof Tuning

Compatible with GM’s latest ECU software 

✓

Enhanced Airflow

3-bolt flange design ensures leak-free exhaust integration

✓

Thermal Management

EGR removal reduces engine temps by 20-25%, protecting turbos and pistons

✓

Plug-and-Play

Pre-configured files and harnesses streamline installation.

Important Note: This L5P Delete Kit is intended for off-road use only. Please check your local regulations before purchasing.

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