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  1. Drivetrain issue

    Hey if anyone can help running jb4 93 Oct. with AA Downpipe. Had issue with tires spinning and this message popped up. Shortly after the car was lagging and had to turn off.Drive after was smooth but should I be concerned?

  2. What did you do to your Supra today?

    Installed JB4, dp this week! 19k miles and thought it was good timing to throw on the jb. Once rain clears up I’ll run it

  3. 2021 Supra ECU locked,Options?

    Thanks, are you running stock exhaust and downpipe?

  4. 2021 Supra ECU locked,Options?

    Lol yea I’ve been trying to do research, thought the JB4 was strictly for 2020s and 21s that are tuneable

  5. 2021 Supra ECU locked,Options?

    2021 Supra 15k mileage Looking to tune but not send out the country. Should I just attach the JB4?





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