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Old 01-21-2013, 08:14 PM   #3
Heedlessone
Scooby Specialist
 
Member#: 254130
Join Date: Aug 2010
Chapter/Region: NWIC
Location: Bozeman, MT
Vehicle:
2004 STi
Twinscroll Goodness

Default

You're boosting 25psi? Without meth?

Easy: buy AEM intake and use the Cobb map

Best: protune with what you have and turn the boost down

I'd get a protune. But if you don't live near a tuner, go Cobb.
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