They mostly make kits for Honda’s and Acura’s, so I think it will sound pretty ricey, but I have never heard one in person to tell you.
Edit: here is how it would sound on a 3.5 Honda V6…
http://video.google.com/videoplay?docid=1289041026968214556&q=hayame+exhaust
Edit: and here is an EG Civic…
http://youtube.com/watch?v=hHk507hK76M