Can't speak for the other brands but V&H aren't loud. The bike just sounds healthy.
Stock
Stock and Drilled
Cobra Six-2-Six
TBR (Two Brothers Racing)
Rush
Bassani Xhaust
Torq Master Pipes
Freedom Combat Performance
Vance and Hines
Brock’s Performance
Can't speak for the other brands but V&H aren't loud. The bike just sounds healthy.