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X5 E70 M SUV (S63)
die-cast metal secondary valve
5-inch setup featuring 2 resonators to eliminate the unwanted rasp
• Integrated center positioning spring
BMW Exhaust Valve/Flap Controller Chassis_F87 X5 E70 M SUV (S63)Valvetronic Designs is proud to now offer our exhaust controllers for use with most BMWs. This small plug and play unit connects into the factory wiring harness and allows the driver full control of the exhaust valve whenever they want. For too long enthusiasts have had to pay too much for command of their exhaust. We solve that issue. These controllers connect to the vacuum solenoid in the trunk to provide the driver control over their exhaust flap.
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