I did the same thing to my car when I had it. Exhaust is otherwise stock (cats are all there) except for the PE mod on the driver side. Here's a clip with MHD burbles at medium aggressiveness. I have idle revs too but only a sound clip no video.
I basically had the valve open all the time. The difference between open and closed is very little inside the car and can really only be noticed when the windows are up and you have no radio on. There's a tiny bit of drone with the valve open, nothing like a muffler delete. Outside of the car there is a noticeable difference between open and closed especially with the burbles.
I still have the ExhaustMeister valve controller which works just like the Valvetronic one but a bigger box. PM me if you're interested.