Zac88 Posted July 10, 2015 Share Posted July 10, 2015 Currently have an Invidia downpipe with a TurboXS midpipe and STi genome mufflers but it's too loud for my taste. Can I re install the stock mid pipe. Will the stock donut gastket fit? Link to comment Share on other sites More sharing options...
forced compression Posted July 10, 2015 Share Posted July 10, 2015 i used an adapter to make this work Link to comment Share on other sites More sharing options...
Max Capacity Posted July 16, 2015 Share Posted July 16, 2015 My Invidia DP's mate to the stock mid pipe using a Grimmspeed 2X thick gasket. I'm going to pick up some red RTV to help seal the same old 2X gasket I've been using for a while. It's been on/off about 4 times. The donut sits on the stock DP for when I have to go to emissions testing. 305,600miles 5/2012 ej257 short block, 8/2011 installed VF52 turbo, @20.8psi, 280whp, 300ftlbs. (SOLD). CHECK your oil, these cars use it. Engine Build - Click Here Link to comment Share on other sites More sharing options...
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