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Location: Boerne, TX
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It increases the electronically-limited max speed of the car from 155 to a higher level somewhere around 175-185mph IIRC.
NAFTA probably just on there because all cars with US/Mexico/Canada delivery comply with the 155mph max speed and increasing it would be authorized for all perhaps, though I am not 100% sure about that part.
Last edited by cousjcc; 11-10-2018 at 02:35 AM.