Chevrolet ≫ SilveradoChevrolet Silverado HD (2017, GMT K2XX) photo galleryby Joshua ThompsonThe Chevrolet Silverado HD will gain a ram air hood scoop for 2017 model year to feed more air into the truck’s Duramax turbo-diesel engine. ◄ PrevNext ►Credit: Jim Fets 2017 Chevrolet Silverado HD with hood scoop - front Tags:chevroletgmt k2xxhdmy2017silveradothird generation