Go to google, type in
www.e.tire.co.jp
on the first link that comes up - shoudl say SEIJYO TIRE on the web and hit the translate it button.
Skip the intro
Go to middel column - scroll down till you find
***** Romeo muffler sound special edition
Click on
you can hear the sound of muffler installed at this store
Go to the one which says
GTA-Line
Click on the sound link
Sit back
ENJOY
Per