One of the only things you are going to get out there is an alleged chip that fools sensors on the engine to run it rich like it is cold. Normally the coolant temp sensor.
I have researched things like this for extra N/A power, and a 'chip' is nothing I would consider for any amount of money.
Once you get an intake, cams, exhaust...Then maybe get the Perfect Power and try and manage things better. But there are no miracle chips for Subaru's 2.5 liter.
Brian
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