I have a STS system on my Martin Fury, I did add a serving where it touches. I didn't use the serving they provided, and just used my own. It does quiet the bow down some but it also seems to add a bit a kick to it. As far as knowing if I like it or not, I haven't decided yet because I don't shoot that bow very often. I have aTargetMathews Conquest 3 that I plan on shooting a whole buch this next winter at our indoor leagues. I will try it with and without the STS.