selling my supersonic turbosmart multi fit dv with adapter piece bung and silicone hose ,everything you need to fit sti6 not sure what others the adaptor can be used with., was fitted to my sti6 ,about 6months old cost £260 all in..
turbosmart site
TURBOSMART: MULTI-FIT BLOW-OFF VALVES (http://www.turbosmart.com.au/index.php?id=48)
http://i202.photobucket.com/albums/aa54/stigaz/50620028b.jpg

£150 ono

cheers

would this fit onto a MY03 wrx ?

Dave

no

edited to add £150 ono
would also sell for less without the adapter if you need it for a differant fitment