These ones have been out a while now and i think hks did a kit also for the gtr r35 ,nice packaging for v's but biggg price though.Yes hks did http://r35tt.com/store/HKS-GT800-Turbo-Kit-09-R35-GT-R/
http://www.youtube.com/watch?v=jV0KgvWX_iU and http://www.youtube.com/watch?v=HA6am0rCwAk
http://www.youtube.com/watch?v=jV0KgvWX_iU and http://www.youtube.com/watch?v=HA6am0rCwAk