I got two sets on my bow as well. I think it made a differance in how quiet the bow is.

I guess I should add that I also have the new cable guard dampener, leeches, and the bow came equiped with two of the modular units attached to the top and bottom of the riser. So in all I have 9 pieces of Simms prooducts on my bow as well as a LORE stabilizer out front.

The bow is whisper quiet.

Any Simms products you add will make the bow progressively quieter with each product.