Theres a nice sound clip on SLP's website as well as youtube for the LM2 setup on the R/T. I'm going to get that one for mine
A friend of mine has this on his Camaro and it sounds awesome and you can talk inside the car without any drone.
Mopar Chin Spoiler
Super Track Pak black Grille
20% window tint
MKW M102 20" Black w/Machine face, Toyo ST-II 255/45r20