Watching programmer should I use
Wanting a programmer for my 2006 5.3
avalanche is hypertext a good programmer
if not what are good programmers looking
for horsepower and gas mileage that will
not mess up computer or cause problems
In my experience, the best way to get the power and economy you want is to do lots of research. I mean tons! Example. Do you want one that you plug in or have burned into the ECU? Google any possible choice for review's. They are pricey and you only want to do it once.
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