Since I have a base, I don't deal with sync. Glad about that. The GT500 axlabacks are a great option. I LOVE mine. Sounds so great. Been on 6 months, still impressive every time I start and drive it. You won't be disappointed.
2011 Mustang GT 5.0, Kona Blue, Auto, Quarter Louvers, Black Bullitt Wheels. GT500 Axleback Exhaust.