I doubt you would see them without removing the strut. They are camber only. And from factory they have a rivet in them in a neutral position. Once the rivets is out you can loosen the three strut bolts under the hood and slide it in or out to adjust camber
There is a company that makes electric cut out valves for the boss exhaust.
https://quicktimeperformance.com/i-30497677-2012-2013-ford-mustang-boss-302-qtp-electric-valves-quad-exhaust.html