One of the main contributors to exhaust noise is the ductwork. That is why you can have two homes with identical hoods, and one is loud and the other isn't. If your duct that goes from the hood to the outside is too small, you will have a noisy hood, regardless if you choose Victory or Kobe. So if you want quiet, I'd look first at what diameter is the duct. It needs to be 8" or 10" diameter depending on how many cfms the hood has. If yours is not that big, and you are doing a kitchen renovation, see if you can replace the duct. If you cannot, you will have to live with a noisy hood.