Your very best bet is to maintain it very simple and think on employing the twin scroll, or not, in a while. Like I posted over, if the intercooler you might have does not healthy towards the turbo you would probably.have some modifications to accomplish which could choose up time. https://ej20engineandtransmission83603.look4blog.com/68196449/5-tips-about-jdm-subaru-engine-you-can-use-today