2020-2023 Duramax AMDP MPVI Transmission Tuning Package

Fits

TCM Tuning increases the line pressure, this puts more pressure on your clutch packs and prevents them from slipping which can cause excessive early wear on clutch disks. It will also change the shifting points to match the new tuning which helps improve the overall driveability. 

• HP Tuners Unlocked T93 TCM
• AMDP Transmission Tune

Optional

• HP Tuners MPVI3 (Optional)
• 4 HP Tuners Tuning Credits (Optional)

• An HP Tuners MPVI3 & 4 Tuning credits are required to load the transmission tune into the vehicle
• Sending your core in after receiving your order will result in an upfront core charge amount of $300 to be refunded upon the return and inspection of the core
• Damaged cores that do not comply with manufactures core return guidelines will not be refunded
• Return Core Shipping Costs are at the purchasers expense