http://cgi.ebay.com.au/NISSAN-SKYLINE-R32-...1QQcmdZViewItem
there is a full kit for a r32 hose piping Just jap core for $399.....well worth buying, but if you can make the pipes and get the hose joints cheap, go the GTR cooler......but you won't save much in the long run.....only time with the $399.
my 2 cents!