GDP MPVi4 TCM Support Package (2017-2019 6.6L L5P Duramax)
For those wanting just a tune and not the actual device, we are able to offer tunes only. This requires the purchase of a new support pack for the ...
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Product Description
For those wanting just a tune and not the actual device, we are able to offer tunes only. This requires the purchase of a new support pack for the VIN# of the new truck being tuned.
Please note that this package includes the tune file exclusively and does not come with the MPVI4 device.
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