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  1. ECU Tuning & Performance Electronics
    Does anyone have the stage 3 OTS map for a 2019 STi? It’s no longer available. Before anyone goes off about needing a pro tune I have someone who will be tuning the car but need the stage 3 OTS as a starting point.
  2. ECU Tuning & Performance Electronics
    What are peoples feelings on OTS vs Protune if the long term goal is just a little more fun/response over stock? This is for a 2020 Sti base. Power gains between OTS and protune are negligable to me here. So I'm really coming from the reliability pov here. I know the pitch about how protune...
  3. ECU Tuning & Performance Electronics
    Hey, IWSTI form! I've had my 2015 sti for about two years now, buying used off of a friend who I knew treated her well, and I'm looking into tuning options for the car once the warranty is up, coming up here in 3,000 miles for the whole drive-train and 23,000 more for the engine bearings. I...
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