Will just a Flowmaster Muffler make my car sound deeper

i just bought a 2007 crown victoria. its a v8. I was going to put flowmasters on it to make a deeper sound but im confused. Can I just buy the muffler for 40 dollars get it installed and my car will sound deeper or do I need the whole exhaust system for 300 plus dollars.. Please respond
Asked Feb 04, 2015
Edited Feb 04, 2015

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