Quote:
Originally Posted by cstavaru
And if you will get a tune, do yourself a favor and avoid piggybacks. Those are some of the most unpredictible parts you can install in your car.
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As a general rule yes, and for any other application besides N54/N55 I would heartily agree, but the quality of work and attention to detail that the two major piggybacks tuners have done makes them an excellent and viable choice.