I have a 1998 CBR F3 with a D&D exhaust. I bought the bike 3 years ago with this pipe and I finally had enough of the noise. I am interested in getting the Yoshimura RS-3 SERIES. They have 2 choices: Race and Zyclone. The specs say that the Zyclone is pretty quiet and im not quiet looking for a stock sound but i want to get away from the super loud D&D. Anyone have any insight if the Race sounds anything like the D&D? One other thing...I know there is a sound difference between the Carbon Fiber and Stainless but is there a difference between the Titanium and the Stainless steel???