i know that some ppl on here dont like this forum but this could be a good mod for all 180 owners
please read
http://forums.xpowerforums.com/showthread.php?t=36047
as my plenum is fooked im wait to find out from him if he has managed to come up with a permanent fix cos i had a clutch kit he made up fit to my 180 and it is really well made and works great and i hopping this could be the end to replacing the inlet plenum