They are alot more subtle than aftermarket. It depends on what you want. For me they are a perfect blend of enough bark to know it's a V8 without having any of the teenager-with-first-hot-rod attributes like excessive blubbering on decel, drone or bellowing like a bull moose in rut.
2014 Premium GT, SGM, Brembo, Auto, Tech, Comfort, etc. GT500s, Steeda UCA, VMP auto tune, 100 shot on BBR tune, best et: 11.38 at 120.85
2012 GT, Candy Red, Brembo, 3.73, Tech, Comfort, etc. Procal tune, Roush upper, UMI LCAs, Steeda red bracket, GT500s, 28X10X16 Hoosier slicks, best et: 11.91 at 115.23 RIP