Correct, I should have thought of that.
However, I have noticed these seal kist on egay....
http://cgi.ebay.com.au/Garrett-TB02-T2-T25...=item3efc156a4e
The cost of the rebuild labour would probably not be worth it for a T25G though.
Just look into blow-through instead, then you can also run a cooler and fully hektik BOV.