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  1. FAQ/Newbie Forum
    I have a 2016 STI and am looking to get into modifying it to make some more power. For starters, I plan on just an intake and AOS because I want to keep the car as reliable as possible as it has 92k miles. After that, I want to upgrade the fuel system and go e85 as I already got my hands on a...
  2. 2015+ STI Discussion
    Hey all, totally new here and also not entirely sure if this is the appropriate place to post this (so if there's somewhere else I should repost this let me know and I'll delete this post and reupload elsewhere) but I've been toying with the idea of doing an EJ25 build from the ground up with...
  3. Built Motor Discussion
    2018 sti New Iag trojan closed deck short block w/1/2” headstuds Oem heads decked/street ported/polished gsc s1 cams beehive springs and titanium retainers, gsc valves ( headgames Motorsport) Iag Rails Iag tgv deletes Iag street aos Iag phenolic spacers Killer b oil pickup/baffle/windage tray...
1-3 of 3 Results