Remote control kit for manually opening and closing the exhaust valves in addition to our programmable control unit, we also have a simplified version to offer. It fits to modell 991 GT3 rs und GT2 rs ( please name you model with the order ) . Most of the in-series control units open and close the exhaust valves according to a set program pattern. With our control unit, we are able to control the flaps to open permanently, without the in-series control being able to intervene. When the exhaust valve system is closed again with the use of the remote control unit, then the in-series control unit will again take over the control of the exhaust valves. We expressly point out that this parts comes without the approv...(choose a part on the right to read more)