What's Included
- EZLYNK 3.0 (EZLYNK E46 tune files — single only; soft not available for E46). Lifetime support.
- CAN bus plugs (LM2)
- 3" mandrel-bent T409 stainless steel race pipe
- EGR solution
- All necessary hardware for LM2 All‑In‑One Kit
Fitment
- Fits 2019–2022 GM 1500 trucks with the 3.0L Duramax LM2 engine.
- Not compatible with E66 (2022.5+), Cab & Chassis models, or on-road use. For off‑road use only.
Features
- Direct-fit 3" race pipe retains the stock muffler for a mellow, race-inspired tone.
- T409 mandrel-bent stainless construction with upgraded flanges for improved flow and durability.
- CAN bus plugs and integrated EGR solution for seamless system integration.
Installation
- Direct bolt-on installation; no cutting or welding required.
- Professional installation recommended.
Legal
- Off-road use only. Not EPA-compliant for street use.
EZ Lynk E46 Tuning for Duramax LM2 Diesel-calibrated ECM Unlock & Flash
EZ Lynk offers Duramax LM2 3.0L tuning for 2019–2022 trucks using the EZ Lynk AutoAgent platform, eliminating the need for ECM removal or send-in unlock services.
These EZ Lynk E46 tune files for LM2 are designed to unlock and tune the factory E46 ECM directly through the vehicle, with all files delivered wirelessly to the customer’s smartphone.
No downtime. No shipping. No unnecessary steps.
E46 ECM Unlock — No Send-In Required The factory E46 ECM found in 2019–2022 LM2 Duramax trucks can be unlocked and flashed directly through EZ Lynk using developed tuning files.
What this means:
- ECM unlock and tuning completed on-vehicle
- No removal or shipping of the ECM
- All flashing handled through the EZ Lynk AutoAgent 3 device
- Files delivered and managed through the EZ Lynk mobile app
This is the cleanest way to tune an LM2 platform.
LM2 Power Levels Tuning 0-120HP
Calibration priorities include:
- Smooth power delivery
- Predictable throttle response
- Clean integration with factory systems
- Real-world drivability over peak numbers
This is tuning built for daily-driven LM2 trucks — not experiments.
Support Package Options This product is offered in two variants:
-
4-Week Support Package Ideal for customers who want short-term tuning access and setup support.
-
Lifetime Support Package Includes ongoing file access and support, with tune files auto-shared through EZ Lynk as updates or revisions are needed.
Both options use the same developed tune files and EZ Lynk delivery system.
EZ Lynk AutoAgent 3 & Mobile App Delivery All tuning is completed using the EZ Lynk AutoAgent 3 device, with file delivery and flashing handled through the EZ Lynk mobile app on the customer’s smartphone.
No laptops. No cables running through the cab. Everything managed from the phone.
Compatibility & Application
- Vehicle: 2019–2022 Chevrolet / GMC Duramax LM2 3.0L
- ECM: E46
- Platform: EZ Lynk AutoAgent 3
- Unlock method: On-vehicle, no send-in required
Why Choose This LM2 Tuning Many companies can flash an LM2. Very few take responsibility for how it actually drives afterward.
This tuning is for LM2 owners who value:
- Platform-specific development
- Clean ECM unlock methodology
- Predictable, repeatable results
- Long-term support options
Order EZ Lynk LM2 Tuning If you’re running a 2019–2022 Duramax LM2 3.0L, this no-send-in E46 unlock and tuning solution works the way modern diesel owners expect it to.