miweber929 Posted October 24, 2023 Share Posted October 24, 2023 8 hours ago, jcarlson9 said: I just bought a used 2016 with the yosh Installed. I hope he flashed the ECU also? I can't imagine buying the exhaust and not reflashing the ECU. Running the Yosh on my ‘20 with no flash and it runs great. You can flash, but there’s not a NEED to do it. 1 Link to comment Share on other sites More sharing options...
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