Porsche 997.2 C2/C2S/C4/C4S/GTS Exhaust Mufflers with Sound Valves Cooling Systems Our system retains the use

Our system retains the use of the factory exhaust valve controls

Vario Cam Plus

Investment-cast T304 stainless steel X-Pipe

Unplug exhaust valve harness from back of transmission

We use a German-made HJS HD tri-metallic 200-cell catalytic converter for the best performance and reliability

Porsche 997.2 C2/C2S/C4/C4S/GTS Exhaust Mufflers with Sound Valves Cooling Systems Our system retains the useGet the sound the 997. 2 Deserves, the factory exhaust just doesn't cut it on the DFI engine, these NHP Mufflers with Valves will certainly improve the exhaust note on your 997. 2 PRODUCT FITMENT: 09 12 Porsche 997. 2 All Models except for Turbo and GT3 If you want the best mufflers for your 997. 2 look no further. This Exhaust has designed mufflers with sound valves for the Porsche 997. 2 Carrera , these are by far the highest quality mufflers