im using a Greddy Type-r
after some whacking
i found that the bov now having a whistling sound when i rev at idle
so i placed my finger inside the bov and i found HALF of a O-Ring piece inside
anyone here knows how...
any idea frens ??? where can get it ????just want the japan brand.. dun want the thailand or taiwan product.... if used parts .. how much izzit ??? thanx.. :)