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As stated in the OP, I already know custom tunes are available, but I'm trying to avoid the expense and hassle of a custom tune if an off-the-shelf preloaded tune on an off-the-shelf tuner already has it in there.
If the off-the-shelf tune/tuner exists, I can and will buy the tuner used, which saves more money. That's what I'm after. I already know if I buy a new one from a dealer or manufacturer they would put in the custom option.
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