"Superchips"...do they really work?


JGKC9AYC
09-10-2005, 02:07 AM
The wife is wanting a pickup. I have a couple of friends who told me about the "Superchip Micro Tuner" & how they're getting in the mid to upper 20's in MPG.
Is this true? Do these things really increase fuel mileage that much? Does one have to modify anything else or what?
Thanks in advance.

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