Tooner Question

[Brian_XLT]

I know almost nothing about tooners except everyone is spelling it wrong

Serious question for a "tuner" newb - do they have to remain plugged in all the time.....and if not how does one go between multiple tunes?

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[nitrobass24]

Depends on the “tune”.
There are flash tunes and piggy back tunes.

Flash tunes actually write new data to the PCM.
Piggy back tunes like a JB4 just intercept data and re-write/manipulate in real time to increase things like boost.