2011-2016 6.6L Duramax LML Custom Tuning Support (EZ Lynk / HP Tuners)

SLAB Industries Diesel — Custom Tuning Support | 6.6L GM Duramax LML (2011–2016)

Get a custom tune built specifically for your 6.6L Duramax LML. Up to +220 HP over stock with sharper throttle response, more towing torque, and cleaner power delivery. Supports EZ Lynk and HP Tuners platforms — choose what works for your setup.

What's included

• Custom ECM tune calibrated for your specific truck and modifications
• Single-position tuning file calibrated for your truck and modifications
• Support for both stock VGT and aftermarket non-VGT turbo configurations
• Support window based on selected plan (see options below)

Support plan options

• 4-Week Single — $650: One dedicated calibration file with 4 weeks of revision support. Tunes remain installed after the support period expires. Basic single functions for VGT and non-VGT turbos.
• Lifetime Full Support — $990: Unlimited tuning revisions for as long as your vehicle is supported.

Power levels

Your tune library includes multiple power levels from 0 HP (stock) up to +220 HP. For levels 4 and 5, we recommend monitoring EGTs and running an aftermarket lift pump to support the factory low-pressure fuel system.

Delivery

EZ Lynk: Files delivered wirelessly to the AutoAgent app on your phone. No shipping, no waiting.

HP Tuners: Files delivered via email for you to flash with your device.

Expected results

• Improved throttle response and reduced lag
• More torque under towing and hauling load
• Cleaner, more consistent power across all RPM ranges

Fitment

• Engine: 6.6L GM Duramax LML
• Years: 2011–2016
• Trucks: Chevy Silverado 2500HD/3500HD, GMC Sierra 2500HD/3500HD
• Required hardware: EZ Lynk AutoAgent or HP Tuners MPVI (sold separately)

How it works

1. Purchase your support plan
2. We contact you to gather your truck details and mod list
3. Custom tune is calibrated and delivered to your device
4. Revisions available within your support window

Support

Email slabindustriesdiesel@gmail.com or text (512) 522-9403 before purchasing to confirm your truck and discuss your build goals.