GDP 2017-2019 6.6L Duramax Custom T87 Transmission Tuning Package

GDP 2017-2019 6.6L Duramax Custom T87 Transmission Tuning Package

Package Includes:

• HP Tuners MPVI4 (Optional)
• 4 HP Tuners Tuning Credits (Optional)
• GDP Transmission Tune

Note

• An HP Tuners MPVI4 & 4 Tuning credits are required to load the transmission tune into the vehicle