WILLOWS, Calif., Oct. 24, 2018 /PRNewswire/ -- THUNDERHILL RACEWAY-- Hyundai today introduced its high-performance Veloster N model to an exclusive U.S. media group at a driving event at Thunderhill Raceway in Northern California. Hyundai had first introduced Veloster N to media as the first of its U.S. N models at the 2018 Detroit Auto Show. Veloster N represents Hyundai's WILLOWS, Calif., Oct. 24, 2018 /PRNewswire/ -- THUNDERHILL RACEWAY-- Hyundai today introduced its high-performance Veloster N model to an exclusive U.S. media group at a driving event at Thunderhill Raceway in Northern California. Hyundai had first introduced Veloster N to media as the first of its U.S. N models at the 2018 Detroit Auto Show. Veloster N represents Hyundai's