The reason Guzzitech’s boss rants about The Guzzidiag suite of tools is because using them cuts into his profiteering from selling unnecessary, obsolete shit that he doesn’t even understand and often doesn’t work. Using Guzzidiag and the ‘Reader’ and ‘Writer’ programs CANNOT brick or otherwise damage your ECU. Using a correctly constructed aftermarket map allows you to achieve far more, far better, than using a shitty add-on like a Power Commander or the like. Quite simply it is my bel
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