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heavyD^2 · 01-25-2020, 12:13 PM

The exhaust button on my car is on by default all the time when I start the car. Does that not mean both exhaust valves are open?

01-25-2020, 12:13 PM	#43
heavyD^2 Colonel 3689 Rep 2,956 Posts Drives: X3M Competition Join Date: Apr 2018 Location: Too close to Santa iTrader: (0)	The exhaust button on my car is on by default all the time when I start the car. Does that not mean both exhaust valves are open?
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