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Hey everyone,
This is my first post on here so if I should have posted on another thread just let me know! I have a 2018 STi and am wondering what tune would be best to use. My modifications are:

-Invidia turbo-back exhaust (Divorced/catted downpipe with heat shield and wrap, and R400 cat-back)
-AEM cold-air intake and shield
-COBB AccessPort

I always run 93 octane because it’s better priced here in Illinois. Basically, any suggestions or advice on what OTS tune to run would be appreciated!
59270
 

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The Cobb OTS maps are really designed for Cobb products. I do not think Cobb even offers a map for cold air intake. At this point i would really suggest getting the car protuned on the dyno by a reputable subaru tuner.
 

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You are better off not changing anything without a proper tune . . This means using parts specified for an OTS tune or have getting the car tuned for the parts on it.

IE take the parts off till you can have it tuned one way or another.
 
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