I have a few bov to sell i have two pratically brand new hks bovs one has fmic conection one has triangle top mount conection for 01 wrx onwards may fit other top mounts im not sure on sizes.though u can purchase other adaptors for them. These are geniune items with box and manual,

Also a gfb hybrid adjustable spring, can be plumb back or full atmos

HKS $300 Each FIRM
GFB $250 ono


Tim
0408 908 442

bump hks with wrx adaptor still avalible and gfb with wrx adaptor
cheers