音が787Bと同じですよ。
走行中の動画は一番下です。


４ローター用エキセン＆ハウジング入手可能のようですね。
http://minkara.carview.co.jp/userid/154459/blog/14417682/

This is 5 glorious minutes of a naturally apserated (individual throttle bodies) 4 Rotor RX-8 time attack car revving its god like engine for a massive crowd at the 2009 Seven Stock event in Irvine California. Turn up your speakers!



4 Rotor Mazda RX-8 Time Attack Car Revving Engine At Seven Stock 2009
http://www.youtube.com/watch?v=ttyN6X375u8
RX8 Time attack
http://www.youtube.com/watch?v=P96QMDVue_Y
2009 RX8 4 Rotor Willow Springs July 27th
http://www.youtube.com/watch?v=TGxKS2RQLvw