Quote:
Originally Posted by Chicken_Joe
Start car, put in sport + let it open, you will hear it. Turn off car and quickly run back and unplug the harness from the motor on pipe and then viola! Exhaust valve open. Apparently either previous owner or muffler shop disabled mine which is cool.
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Does it matter if the engine is on or off to unplug it? Why not just to leave it on that way not need to run and you actually can see/feel/hear if the valve is open.