Obviously this might now work for all cassis and configurations - but adding a small bullet-type resonator behind the mufflers will change the sound and sound characteristics a bit to the quieter side. I used to do that for some owners who wanted the noise - but didn;t want too loud or droney.

Well, art is art, isn't it? Still, on the other hand, water is water! And east is east and west is west and if you take cranberries and stew them like applesauce they taste much more like prunes than rhubarb does. Now, uh... Now you tell me what you know.