In this video we look at how a Range Rover Sport 5.0L Supercharged SVR "active" rear silencer works. The active exhausts enable the drive to press a button and have a super load exhaust note.... and then a simple press again and all is quite. So how this achieved ? we look at the exhaust valve / actuator and then cut open the rear silencer / muffler to see what is inside..... turn out not a lot !.
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