(Non Valved). 991.2 Carrera GTS. Expect an increase in horsepower, torque and turbo response. 991.2 Carrera. 991.2 Carrera S. 991.2 Carrera T. Weight Reduction -8.34kg vs OEM Centre Silencer. The factory Coupled with the factory exhaust system this modification gives the best of both worlds, quiet during low rpm cruising yet agressive on wide open throttle.
eBay