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Old 12-24-2012, 08:24 PM   #403
blkbugeye
Scooby Specialist
 
Member#: 287821
Join Date: Jul 2011
Chapter/Region: South East
Location: Beaufort SC
Vehicle:
2005 WRX STi PSM
*sold* 2002 WRX Sedan MBP

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To be honest I'm not completely sure. I had a catless uppipe and catless 3" turbo back exhuast and it helps the turbo spool up quicker But I also had a vf39.
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