Suggestions for muscle car sound muffler without drone

It seems to really depend upon your set-up. Some cars get it and some don't. Sometimes different mufflers or adding an X pipe eliminate it and sometimes they don't. After seeing this thread I searched more on the internet and found this is a sure fire cure for the drone. There's a ton of information out there from truck sites, to Hondas to Mustangs and exotic sports car sites.