Translated link:
http://translate.google.com/translat...atestnews.html
They're finally selling their seats, along with gauges, LSD, lug nuts, keyring case, and a "intake sound changer".
So apparently the stock sound tube wasn't enough, and they decided to create some intake sound changers which come in three different 'sounds'.
"Further tune the intake sound to be introduced in the standard equipment of the vehicle from "sound creator". I set the sound into three types of intake."