No Dv on an RST no questions. I've not run one since mine was built about 5 years ago and despite 25psi of boost it's not even shown a smidge of wear or damage.
Do miss the chatter on my old FRST though
http://www.youtube.com/watch?v=baUEB...e=channel_page
http://www.youtube.com/watch?v=ts6_Z...e=channel_page