girth45 Posted June 21, 2016 Share Posted June 21, 2016 (edited) Purchased a hks evc 6 ir boost controller , as it can be plumbed up for proper twin turbo setset up, my old boost controller was plumbed into no 1 turbo as per the way most have, my question is , is the attached drawing correct for hks plumbing? Also i have a whifbitz restrictor ring in my downpipe , is this still required ! Edited June 21, 2016 by girth45 (see edit history) Quote Link to comment Share on other sites More sharing options...
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