JB4

[A90Sean]

I’ve got a 2020 3.0 Supra with a jb4. Does anyone know if map 2 is safe to use on stock downpipe and 91? because no station sells 93 where I live

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[ColonelAdama]

I’ve got a 2020 3.0 Supra with a jb4. Does anyone know if map 2 is safe to use on stock downpipe and 91? because no station sells 93 where I live

Post Map 1 log here and I'll tell you if you can.

Chances are, no. Map 2 is for 93+.