Anyone had any experience with these.
http://cgi.ebay.com.au/Turbotech-manual-turbo-boost-controller-THE-ORIGINAL_W0QQitemZ200080435503QQihZ010QQcategoryZ43808QQssPageNameZWDVWQQrdZ1QQcmdZViewItem
Reading several forums they seem to work well.
sleepergtb