EFI LIVE TUNE FILES (2011-2016 DURAMAX 6.6L LML)

Maximize Control with EFI Live Tuning for Your 2011–2016 Duramax

Unleash hidden power and precision in your 2011–2016 GM 6.6L Duramax (LML) with custom EFI Live tune files. Whether you're daily driving, towing, or pushing for high-output builds, this tuning package optimizes torque delivery, fuel mapping, and shift points tailored to your truck’s exact setup.

Choose between tow, economy, street, or max performance calibration — all built with drivability and safety in mind. EFI Live gives you full control over your Duramax's potential with the ability to fine-tune every parameter.

✅ What’s Included:

Custom EFI Live tune files calibrated for your VIN, current mods, and intended use
Multiple power levels available, including emissions-compliant and off-road use options
Compatible with EFI Live FlashScan 
Delivered digitally via email

🔧 Key Benefits:

Improves throttle response, torque curve, and shift quality
Supports both emissions-equipped and deleted configurations
Built for towing, daily use, or performance builds
Safe, proven tuning backed by real-world results

🚙 Vehicle Fitment:

2011–2016 Chevrolet Silverado 2500HD / 3500HD
2011–2016 GMC Sierra 2500HD / 3500HD
Engine: 6.6L Duramax LML
Tune Type: EFI Live Custom Tune Files
Delivery: Digital via Email