Roush Takes 2015 Mustang GT to 600 HP and Beyond By Stephen Elmer Nov 04 2014 1 Share this Article Tweet Roush has unleashed its supercharger kit for the new 2015 Ford Mustang. Continue Reading... Filed under: American Featured Articles FordTags: 2014 sema show, custom car show, Ford, las vegas, Mustang, roush supercharger, Roush Supercharger Mustang GT, SEMA, sema show