the flowmaster 50 series hd is specifically designed for those who want a good chamber muffler sound without the drone from mds.@hemiv8, at least if you put different mufflers on a ecoboost you get to keep it.
5.3 jones full boar single chamber muffler - YouTube
Single chamber flowmaster race muffler
good example is headers, if you search an online forum asking for advice about headers you will find people who swear up and down about how they got massive improvements with "shorty" headers, or worse, will convince you to plunk down nearly 00 on a set of full length headers and promis repeatedly that it doesnt have exhaust leaks are ticking sounds, or massive spike in underhood temps. you are fixed on fires, so it will help you out tremendously if you are stupid enough to not have full coverage insurance on your vehicles you drive.