Quote:
Originally Posted by Powerbeast
Tuned both my 2020 Supra GR & 2021 M5 LCI! JB4 is available and you can also give Gintani a call they'll offer you various options.
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With what?
I’ve been looking into JB4 and it definitely looks like a great option, the install just looks like a total PITA. But right now it’s my primary option.
I’d much prefer a flash.