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| 6.4L Performance Parts Discussion What has or has not worked for you? |
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AI recently bought a h&s black maxx last week and love it. I went on their website and down loaded the new 250 hp tune, how do i know if u did it right. ie do i heyave the 250 tune?
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not sure, I'd call H&S. I don't own a H&S tuner YET!!
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if you downloaded it, upzipped the files, selected those & then copy and pasted into the open H&S scan disk drive file...then yes, you did it right.
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