See this is strange as I’ve recently been reading up on this and the supplied o ring they give you isn’t sufficient and people have been adding another washer in order to increase pressure. Apparently it enables the oem turbo to increase spool by 200rpm earlier. People have been losing low end power yet the moment oem one goes back there are no issues. I know people on the revision G DV running tte500 with no issues reported.Next mods up.
GFB DV+
This small made a huge difference.
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Edited by JayRS3, 15 October 2017 - 07:27 PM.