I don't think this will work properly on a Garrett, as there is no way you could get the length spot on for every turbo. Just run the 3an restrictor with a 90 degree bend off it, or if you need to run the banjo for clearance, remove the Garrett flare restrictor perhaps. More importantly, if you are running a BB core, make sure you fit a filter inline. It doesn't take much crud to block a 1mm hole.