I have a STS and it works great. Not sure why it would make your bow louder unless it is to tight against the string. It should be set to barely touch the string at rest + or - a little to fine tune it. Play with that some to find the quitest point. They are designed to silence the string only. Could it be your noise is coming from somewhere else on the bow. One thing I have noticed is if it is to tight against the string it will add some bow jump. That is due to the string hitting something that is mounted mid riser and transferring the forward motion to that point.