Originally Posted by gthal
Which would have more drone?
They would be about the same Heath. You heard my car with the full Evolution system and both the Eisenmann Sport and Akrapovic slip-on are going to be quieter than that...... you heard for yourself that my car is totally liveable on a daily basis even with the Evolution. I personally think if you are only doing a muffler that the Eisenmann sport is the most refined and best sounding system there is that is quiet enough to live with on a daily basis.