2020–2022 Chevy GMC 3.0L Duramax LM2 Complete Delete Kit | E46 ECM | GDP Commander Tuner
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Complete your kit with these upgrades!
Add-On | S&B Cold Air Intake
An S&B Intake enhances your vehicle's performance by optimizing air filtration, leading to improved engine efficiency and power. Upgrade for increased horsepower and better fuel efficiency.
Product Information
Product Description
2020–2022 Chevy / GMC LM2 3.0L Duramax (E46 ECM Only) | Complete Delete Kit
IMPORTANT – READ BEFORE PURCHASE
- E46 ECM ONLY
- Will NOT work with E66 ECM
- E66 ECMs are generally found on 2022+ refresh trucks, but some earlier trucks may also have E66
- You MUST verify your ECM before ordering
- If you have an E66 ECM, please see our ECM Send-In Option
⚠️ ATTENTION – NEW RELEASE PRODUCT
- All tuning and setup must be completed with GDP Tech Support
- No ECM send-in required – the GDP Commander unlocks and tunes the E46 ECM directly
What’s Included
- GDP Commander Tuner
- 16 Tuning Credits (Included)
-
GDP Performance Tune options
- Level 1
- Level 2
- Level 3
- LM2 CANbus Plugs
- LM2 EGR Delete Kit
- FLO-PRO DPF Delete Pipe
Optional Add-On:
-
S&B Cold Air Intake
(Must be selected via menu options – not included by default)
Performance Overview
Unlock the full potential of your Chevrolet Silverado or GMC Sierra 3.0L Duramax (LM2) with a complete delete solution engineered for maximum performance, efficiency, and reliability.
Key Benefits
- Increased horsepower and torque
- Faster throttle response and improved acceleration
- Reduced exhaust backpressure
- Lower exhaust gas temperatures (EGTs)
- Cleaner combustion and improved engine efficiency
- Enhanced fuel economy potential
By removing restrictive factory emissions components and recalibrating engine parameters, this system delivers smoother power delivery and a more responsive driving experience across the entire RPM range.
LM2 3.0L Duramax EGR Delete Kit
Kit Includes
- (1) High-quality 4-ply silicone coolant hose
- (2) Silicone caps
- (1) Ground cable
- (2) CNC blocker plates (EGR valve & cooler)
- (1) Intake plug
Functionality
This kit allows complete removal of:
- EGR cooler
- EGR valve
- Exhaust valve
- EGR cooler pipe
Benefits
- Eliminates carbon buildup caused by exhaust gas recirculation
- Improves airflow and combustion efficiency
- Reduces long-term reliability issues associated with EGR systems
- Promotes smoother engine operation and longevity
Custom 3.0L Duramax DPF Delete Pipe
- Constructed from 16-gauge aluminized steel
- Precision-fit with machined flanges
- Lap-joint style clamps for secure installation
- Improves exhaust flow and reduces restriction
- Retains the factory muffler
- Produces a deeper, authoritative exhaust tone
Installation Notes
- Professional installation is strongly recommended
- Removal of multiple OEM engine bay and exhaust components is required
Use Disclaimer
For off-road, closed-course, or race-use only. Not legal for on-road use.
Powerlevel Options
- Levels 1, 2 or 3 (Built by GDP)
Product Compatibility
Other Information and Resources
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