AMDP 2017-2023 6.6L L5P Duramax HP Tuners Transmission Tuning

HP Tuners Transmission Tuning for your 2017-2023 L5P Duramax

T87A is able to be flashed directly through OBD

T93 is required to be unlocked by HP Tuners or use the all new T93 Unlock Tool before tuning can be performed.

MANDATORY COMPLIANCE: For Off-Road and Sanctioned Racing Use Only. Not legal for use on pollution-controlled vehicles.