i looked into that and the problem is the cost of it.. it is over 1000 after shipping and then still needs painting and the insulation and sound deadening stuff that comes oem
http://www.bing.com/images/search?q=mazdaspeed3+bpv++hose&view=detail&id=1F0C4329B98105408DD651444FD4F0F34917462B&first=31&FORM=IDFRIR
whats the black hose approx 1" diameter that goes into the bpv called? mine is cracked..