Few badge combinations carry as much weight in the automotive world as “Turbo S.” For most enthusiasts, those two words are synonymous with Porsche — and for good reason. The designation has long been reserved for many of the brand’s most powerful models, first arriving in 1988 on the 944. Since then, models with the Turbo S designation have spanned sedans, coupes, SUVs, and wagons, and every single one of them was designed by the famed German automaker. Except for one.