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This paper presents the design process of an aerodynamic kit for a Formula SAE competition vehicle using CFD with special attention to the distribution of aerodynamic loads. The methodology for the development of concepts is to create a boundary that respects the geometric constraints of the vehicle and also complies with FSAE 2015/16 Rules. Inside these boundaries different geometries of aerodynamic accessories can be analyzed and several full vehicle models can be created. The initial model is conceived based on the literature and then analyzed with CFD to generate another model. The process is repeated until it reaches a model that cannot be considered optimum but is close enough to the targets previously defined. The governing equations for the numerical simulation are presented as well as the reason for their use.