You can still buy them from 5Zigen in Japan like I did. Just search for the Cannon Ball Exhaust on RHDJapan.com or something like that.
Edit:
http://www.autocarparts.com/part/list/1121/
http://www.bulletproofautomotive.com...il.php?ID=2484
Last edited by Boosterseat; Oct 10, 2010 at 05:56 PM.