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Any off the shelf canned tunes will not give you anywhere near the same results of a custom tuner. The cost of a customer tuner new is comparable to the cost of an off the shelf unit. You'd probably be better off saving your money and buying a real tuner in the future.
Welcome to FTE. Be sure and stop by down in the 99 - 03 7.3 diesel section located further down the main forum listing. Lot's of good info about these motors and tuners and such down there.
I had a HyperPAC on my 6.0 as my first tuner. It made good power, but after a while my tranny really started to disagree with it. RPMs would spike, and then it would slam into gear. Really freaked me out. I finally quit using it after a particularly frustrating day where my tranny wouldn't shift at all, and then the truck wouldn't start. Disconnected the batteries, and it fired up. Never used it to tune again, just as a digitial monitor, until it got stolen.
Different motor and tranny than your rig, but I would pass it up. Or at the very least, ask why they are getting rid of it. Also, I know on that HyperPAC, once you marry it to your truck, it can't be used on any other vehicle, which makes the fact that some clown stole all the more irritating.
If all you are looking for is a small amout of power gain , it will be fine. If you are looking for anything else MPG increase forget about it, it doesn't work and none of the rest do either.
I have the three stage and I leave it on #2 and there is no huge power gain, but you can defenitly feel it, and I defenitly see a mpg increase on the highway. I also have the air intake kit and gutted turbo outlet.
I don't drive it hard and there is no problems pulling my 5ther.
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