Quote:
Originally Posted by jabartram
not quite, the factory tunes a car to be able to run in all enviroments its a default tune basically, thats why there are tuners and software so the factory tue can be adjusted for better poer and fuel economy, actualy the factory tune is fairly crappy.
also, the iat mod not only increases fuel output, but advances timing for the extra fuel and fake colder tempeature.
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yes but if you wanna run safe the factory tuned way is the best one!