991.2 Porsche 911 and 982 Boxster GTS and Cayman Spyder, GT4, GTS 4.0 Valve Controller GranTurismo Impressive power gains of 22

Impressive power gains of 22 HP and 31 ft/lbs of ft-lbs of torque

Fits all Porsche 970 Panamera GTS (4

Direct replacement bolt-on tips to replace the factory Porsche tips

OEM Style 'Quick Connect' Inlet/Outlet Connections

Fabspeed was the first company to design

991.2 Porsche 911 and 982 Boxster GTS and Cayman Spyder, GT4, GTS 4.0 Valve Controller GranTurismo Impressive power gains of 22From the factory, your Porsche's valve system has a limitation, but with the KIES Valve Controller, you can take control! At a standstill and at lower RPMs, your car is programmed to partially close the exhaust valves, even when you have them OPEN. With the KIES Valve Controller, you can take control to fully open the valves to enhance the flow and the sound from your exhaust. In many cases, we've found that customers with PSE (Porsche Sport Exhausts)