Magnaflows are very deep, however I do not know how they sound on a V6, you'd have to ask Alec or nweibly as they run Magnaflows on their V6 Sports.
However on V8's, they ****en scream like a mutha. Magnaflows are just slightly less louder then 40 series Flowmasters but basically louder then every other muffler (Borla, Bassani, Dynomax ect) but only on V8's and when paired with an o/r mid-pipe. Just welding them in won't be loud at all, 40's just welded in aren't loud/aggressive enough for me without an o/r h-pipe. But put an o/r x-pipe paired with some Magnaflows and you'll hear one of the most meanest sounding notes. You'll find almost every single Stang owner running either Flowmasters or Maganflows b/c you can't deny how mean they sound, and especially how unique/exotic the Magnaflows sound.
Those soundclips and basically any soundclip sound do not even sound close to what Magnaflows sound like in real life. Go to
www.Mustangexhaust.com and listen to the different setups, it'll give you an idea, but trust me, not a single one of those clips sounds like the real car would.
If you want sick loud, go with some Magnaflow Magnapacks and an o'r x-pipe as they make the the Flowmaster 40's almost sound too quiet lol. There are sme clips of the Magnpacks on that exhaust site, but they sound a little ricey sometimes, if you hear it in real life they sound a ****load meaner and aggressive then those clips make them out to be.
whoo whooo they just fa decoration
sorry for the long post