MA Tubi
Not what you're looking for but an opinion FWIW. I had Tubi mufflers on my 06 C4S and the sound was amazing. Even a guy down the street with two Ferraris commented on how good it sounded. Nice thing about it is that you sort of get a built in PSE button with it which is the gas pedal. Keep it under 3,000 rpm and it's almost stock quiet. Above that though, whole different story.
I had a Tubi system on my -09 C4S which with the center muffler included bypass pipes. Even with that I always thought the 997.1 sounded better than the 997.2 with Tubi. Deeper and more grunt.


