How is the ride quality affected?

I love the stock ride quality and don't want it to all of a sudden just stiffen up.

The lowering module does not effect ride quality at all. You are still riding on air, just slightly less of it.

thanks for you suggestion, and I understand that, but the reason I want to install the module is when my wife drives it, she can raise it back to the normal height since she doesn't like it low.

Yes I understand, but I do want to be able to raise and lower the vehicle, since my wife likes to drive it with normal height which I don't.

You mentioned you had the factory suspension? I assume that's the one with the steel springs and not with the air springs.

This module is just an electronic device that alters the computer controlled air springs. With the factory steel springs that isn't adjustable.. no electronic module will change the height of it.. not physically possible.

Larry

So do you recommend I change it to aftermarket air suspension?

If you want to be able to adjust the ride height from inside the vehicle then yes air suspension is the only way. I don't know if there's any aftermarket air suspension for the cayenne, I'm sure there is but I don't know of any off the top of my head.

Larry

can you please provide pictures of a vehicle with this system fitted and at its lowest height setting?

We currently don't have any pictures with system installed. However I can tell you it does lower it 40mm past the lowest setting.