I'll have to check the Gearbox code
Its a wider ratio than the STI gearbox shipping in Australian STI's, can hold 4th over 400m.
2005 model I believe
No DCCD, has front LSD
Currently in GC8 with GC8 3.9 rear ratio diff

Would need to exchange the drive shaft with whom ever buys it, as this one uses a custom shortened drive shaft (mine was used and shortened to suit when gearbox installed).