See below for a video demonstrating how the mufflers sound.
Many of my friends have aftermarket exhaust systems on their motorcycles which sound great and are not too obnoxious. Some have exhausts which are so obnoxious, that they would cause strain on long rides.
Through the years I have tried many different types of mufflers on many different types of motorcycles.
For about 5 years, I have run Screaming Eagle slip on mufflers on my Harley Davidson Electra Glide, with a stage 1 setup on my carb. and air filter. It is basically