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get your L5P with EZ Lynk T93 Transmission Tune File. Built for 2020–2023 Duramax 6.6L TCM unlock. Smoother shifts, towing confidence, better drivability.
DIESELR EZ Lynk Transmission Tune File T87A (2017–2019 L5P Duramax) delivers faster shifts, less gear hunting, and stronger torque for every drive.
EZ Lynk L5P Tune Files 2020–2023 provide better throttle response and torque for the 6.6L Duramax. Single tune or full support options available.