i have a 2' true dual set up. gutted precats and no main cat. with 2 resonators and 2 mufflers (all straight through) its not that loud. drone is not an issue for me even. much better then my 2.25 quasi dual with precats and 2 mufflers only.
sound on the highway is not bad, cant hear it too much with the stereo going on an average level.
