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2010 Subaru WRX Hatchback
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Discussion Starter · #1 ·
I installed a catless downpipe and an AEM intake. Now I'm throwing a code "Running Too Rich" (I think p0172).

Would dyno tuning slove this? I scheduling an appointment anyway to squeeze out a few extra horses from the stock turbo.
 

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100%.
Anything that changes air flow characteristics in a turbo vehicle requires a retune...
 

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Have you looked into the Cobb Tuning access port? I believe they have off-the-shelf maps for both those items. Also a lot of tuners are experienced with the access port.
 
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