![Wako](https://mofler.com/uploads/img/avatar_users/144.jpg)
hks super sqv (sequential blow off valve) sound
test car : subaru impreza wrx sti (GDB) no fin ⇒ triple fin ⇒ option fin 《HQ version》 http://www.youtube.com/watch?v=HblCEQXQ8Q4&fmt=18 hks super sqv Ⅲ↓ http://www.youtube.com/watch?v=LAMinN_JzGg&fmt=18