I had no rasp at all. Stock other than an intake. The tone was deeper with more rumble. No raspyness at all maybe that's BC I don't have a header. It was louder than stock but still not loud.
http://s19.photobucket.com/albums/b182/sn2bjdm/?action=viewt=MVI_0801.mp4
http://s1232.photobucket.com/albums/ff363/mcguirtcasey/?action=viewt=video-2011-05-15-16-04-47-1.mp4
not great videos but gives you an idea