Porsche 991.2 Carrera S Biturbo - Valved Exhaust with Sports Cats 200 Cell (CES3)**The original Carrera S tail pipes are used. If the OEM system had only one outlet per side (Carrera Base), original Porsche tailpipes must be obtained from double pipe OEM systems (Carrera S). The complete CAPRISTO high performance system is intended to be a balanced increase between power, drive ability and sound quality, without forgetting of course a substantial loss of weight. All of this is delivered while maintaining the CAPRISTObest of both