Sounds like the boost control duty in the map is too high. It's failing to control the boost in the higher gears.
Quite a common problem with cars mapped on a dyno in 3rd. Often experienced on the drive home down a motorway in 5th.
A slightly larger restrictor pill may be the cheap fix to limit the boost a touch.
As Steve mentioned I hope it's mapped for the VF30 and the extra fuelling from the Pinks.
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