what are the best exhaust systems on a 2006 harley street bob in terms of sound and performance?

I have done some insane research in that respect. but with all the options out there i am confused. i must say the three exhausts that deserved my attention where the following:Thunder header, Bassani 2:1, and the supertrapp 2:1. do you think there r more muscular exhausts systems out there. please hit me with you insight

Thunderheader 2 Into 1

This Site Might Help You. RE: what are the best exhaust systems on a 2006 harley street bob in terms of sound and performance? I have done some insane research in that respect. but with all the options out there i am confused. i must say the three exhausts that deserved my attention where the following: Thunder header, Bassani 2:1, and the supertrapp 2:1. do you think there r more muscular exhausts systems out there