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Without doing any research to find what you're talking about, I'll go out on a limb and say it's probably just a 10k mod that you could do yourself for $2 and a trip to radio shack.
I've never heard of anybody getting one of those but I had a SC tuner, of course thats before I found FTE. IMO, save your coins for a reputable chip builder here, you can get a nice chip with some stardard tunes programmed just for your truck and won't break your bank plus mileage gains.