The thing that bothers me is at the beginning of this thread it was said that this unit does more than the Fast computer? Are we talking about EZ EFI or XFI because if it is XFI then that is really not true.
Like everything... you get what you pay for. I took off a retrotek off of a merc last year that had their individual runner intake and it wouldn't even run. Over the passes it would run horrible. Put an XFI in it and was running great in 2hrs. Then drove it to Goodguys.
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