styggen82 Posted July 10, 2007 Share Posted July 10, 2007 I`m installing my 3" downpipe now, and I have made a new flange to get it to fit to the manifold... the hole in the new flange is 2 ", will this be enough to prevent overboosting? will this work as a restrictor ring? Link to comment Share on other sites More sharing options...
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