I've deleted the rear muffler on my TE and kept the center resonator. It growls pretty deeply, enough that I don't get on it in quiet residential neighborhoods. On the highway it's not that offensive. When you take off it has a drone that crisps up pretty sharp about 3500RPM. If you live in a posh neighborhood I wouldn't recommend it, the neiighbors may start to hate you depending on how early you leave for work.