Rimac Concept_S unveiled with 1384 hp Rimac has introduced the new Concept_S. Billed as the "evil twin" of the Concept_One, the Concept_S is a high-performance model which has been equipped with an aerodynamic body kit that includes a front splitter, extended side skirts, an aggressive diffuser, and a larger rear wing. Thanks to these modifications, the Concept_S generates 34% more downforce than the Concept_One. By Michael Gauthier Concept Cars - Mar 2 2016