need bb Posted April 2, 2019 Share Posted April 2, 2019 I recently had to swap out my EWG uppipe setup to a sti uppipe and IWG setup so I could pass California smog. While tuning I discovered that even with 100% WGDC I couldn't hold high boost at the higher RPMs. I am using the wastegate actuator that came with my Kinugawa 20G turbo. Before I purchase an upgraded actuators is there anything else I should try as I haven't used IWG setups for a long time. Thanks Link to comment Share on other sites More sharing options...
m sprank Posted April 9, 2019 Share Posted April 9, 2019 Could be leaking by. Never had a good experience with Kinugawa. Link to comment Share on other sites More sharing options...
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