GDP EZ Lynk Tune Files (2020-2023 Duramax L5P 6.6L)

The EZ Lynk L5P Tune Files 2020–2023 from GDP are built for Duramax owners who want better throttle response, stronger torque, and steadier drivability from the 6.6L engine. These files remove restrictive factory behavior and deliver cleaner power and more consistent control under load.

Using the EZ Lynk cloud platform, each calibration is created specifically for the 2020–2023 L5P. Whether the truck tows, hauls, or handles mixed driving, the files provide smoother fueling and better shift consistency for daily or work use.

Tune Options for EZ Lynk L5P Tune Files 2020–2023

Single Tune

A single calibration designed for one performance level. Improves throttle response, daily drivability, and pulling strength with a focused file.

Full Support Pack

Includes ongoing file adjustments for trucks that may receive future upgrades such as intake, exhaust, injectors, or turbo changes.

Why Choose GDP EZ Lynk Tune Files?

• Built for real-world L5P driving
• Strong torque for towing and heavy use
• Better drivability through refined fueling
• Clean shift behavior under load
• Reliable long-term calibration

This file package gives the 2020–2023 L5P a cleaner, more controlled driving feel while maintaining the reliability Duramax owners expect.