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Old 12-03-2012, 06:04 PM   #14
jrodm12
Scooby Newbie
 
Member#: 296705
Join Date: Oct 2011
Chapter/Region: NWIC
Location: Wa
Vehicle:
05 STI
Black

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A boost leak will def change the afr. Your pulling in unmetered air so if you got a leak your going to run lean.
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