GM Duramax LM2 All-In-One Kit – DPF/DEF/EGR (2020–2022)

Complete LM2 Performance Package for Your 3.0L Duramax

Transform your 2020–2022 GMC Sierra or Chevy Silverado 1500 LM2 3.0L with this All-In-One Off-Road Kit, designed to optimize power, fuel efficiency, and engine life. Whether you're preparing for towing, tuning, or weekend off-road use, this package includes everything you need for a complete emissions-off setup — all in one convenient bundle.

🔧 What’s Included:

• OBD2 Flash Tuning Interface

• 6 HP Tuning Credits

• ECM E46 Unlock & Upgrade Service (2020–2022)

• Your Choice of Tune:

  • Tow Tune (+30HP)

  • Street Tune (+60HP)

• Complete EGR System Kit

• Cat & DPF Replacement Race Pipe

• CAN Plug Kit (NOx & DEF module signal emulators)

• Step-by-step Installation Guide

💡 Choose your tune type at checkout to match your intended use (Tow or Street).

🛠 Requirements:

• Windows 10+ Laptop

• Internet access

• HP Tuners VCM Suite (latest beta version)

• Ability to send in your ECM (shipping label provided)

Before Sending Your ECM:

• Clear any warning lights or DEF/DPF countdowns

• Disconnect the battery

• Remove the ECM safely using the provided instructions

🚀 Benefits:

• Improved Exhaust Flow = Lower EGTs & increased power

• Better Fuel Economy = Optimized tuning for efficiency

• Extended Engine Life = Reduced system stress and backpressure

• Custom Tuning = Choose power level and performance focus

• All Components Matched = No guesswork — everything is built to work together

⚠️ Important Notes:

• For off-road use only

• Vehicle must be tuned before removing emissions equipment

• Tuning credits sold separately — be sure to enter your interface serial number when purchasing