2017-2023 L5P Duramax Peakside EZ Lynk 4-Week to Lifetime Support Package Upgrade

Fits

 This upgrade moves your 2017-2023 L5P Duramax from the 4-Week Lynk Support Package to the full Lifetime Lynk Support Package. Get direct ECM and TCM tuning, ongoing revisions, and automatic calibration updates, this package gives your L5P sharper throttle response, smoother shifts, and the flexibility to grow with future modifications.

*This is for customers looking to upgrade from the 2017-2023 L5P Duramax 4-Week Lynk Support Package to the Lifetime Lynk Support Package!

What is included:

• Single File Tunes: Tailored to your exact needs, each file delivers sharper throttle response, improved efficiency, and enhanced towing capability for your L5P.
• Transmission Tuning: All support packages include transmission tuning. Optimized shift pressures keep shifts smooth while increasing shift speed and clutch holding capacity for the Allison behind your L5P.

• Provides permanent access to all compatible tuning files and future software updates.
• Receive automatic tune updates to ensure you always have the latest calibrations and performance advancements.
• Ongoing Revisions are ideal for those planning future modifications; your tunes can evolve as your truck does.
• Designed for timeless convenience and functionality with the EZ-Lynk AutoAgent device.
• Includes unlimited data logging and direct chat features for communication with a tuner anytime, from anywhere.

• HARDWARE REQUIRED: This is a software upgrade and requires an existing EZLynk AutoAgent device to be installed on the vehicle.