Audi TTS (Mk3) Redefined // Cobra Sport Exhausts Available Now The new Cobra Sport performance exhaust systems for the Mk3 TTS offer the best of both worlds producing a much deeper exhaust tone than standard which becomes highly aggressive when under full load whilst also maintaining a sophisticated improvement in tonality for everyday use. The Cobra Sport development team have produced both valved and non valved systems in a number of configurations to appeal to a wide range of buyer requiremen