Earlier today, we brought you news on the European and Japanese specification versions of the refreshed 2012 GT-R, and now it's time for the skinny on the North American variant that will go on sale on January next year as a 2013 model year car.
The refinements for the updated N.A. GT-R are more or less the same with its Euro counterpart and are highlighted by the changes to the 3.8-liter bi-turbo V6 that include improved intake efficiency, reduced airflow resistance through an enlarged air intake duct for the intercooler, and improved exhaust emissions efficiency.
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