Piggyback (plug and play) setups are scary.
Regardless how many cars are running them, being able to "manipulate" a few sensors operating range is not a safe manner to increase performance on these late model cars. There is just too much going on with these systems to be able to push your car to the max with having peace of mind that all the engine management functions can respond correctly when need be.
But they are being made and people are running them. I would wait for a proper performance engine re-mapped file from a respectable tuner.
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