I have heard magnaflow mufflers on a BMW and it sounds ok. I am going with a Ikon exhaust. Here are a few videos with this exhaust
[u2b]<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/aG316kSyXig&hl=en_US&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/aG316kSyXig&hl=en_US&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>[/u2b]
[u2b]<object width="480" height="385"><param name="movie" value="http://www.youtube.com/v/1Q3muiZ8vaw&hl=en_US&fs=1"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/1Q3muiZ8vaw&hl=en_US&fs=1" type="application/x-shockwave-flash" allowscriptaccess="always" allowfullscreen="true" width="480" height="385"></embed></object>[/u2b]
I say go for it. It doesn't seem that expensive and if you don't like you can always change it out.