Speculation on future performance upgrades?

[Hannzie]

Looks like this Berger JB4 tuner is getting closer to being released…. Wonder if they are using ms109 fuel to get the extreme horsepower increase?

https://burgertuning.com/products/j...PqoGvJF56J7K8G4eUvJRii&variant=45712792682670

How safe is the jb4 tuner? Have no experience with tuners but would love the extra hp.

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