Porsche 992 - Valved Exhaust with Cat Spare Pipes (CES3 Version)**fits the Porsche 992 Carrera S and the 992 Turbo S** Porsche 992 Carrera S Dyno Proven Gains of 4. 9 PS and 18. 7 Nm (4. 83 hp 13. 79 lb ft) Stock: 451. 5 PS @ 7098rpm 567. 2 Nm @ 3442rpm Capristo: 456. 4 PS @ 6610rpm 585. 9 Nm @ 3299rpm The CES3 Version of this system replaces the OE Electric Actuators with block off adapters, and then uses vacuum actuators to provide Stand Alone Control of the valves independent of the factory monitored control,