Wait 4 Me
I've been seeing a couple of people throw this Wait 4 Me program out in the posts and it's got me curious. Can anyone tell me about this? Is it a programmer or does the computer physically have to be flashed? Is it for power, mileage, or what? How well is it priced?
Thanks in advance.
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1999 Chevrolet Silverado 1500 extended cab, short bed. 5.3L automatic.
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