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Old 01-09-2013, 01:19 PM   #2
Strider327
Scooby Specialist
 
Member#: 131280
Join Date: Nov 2006
Chapter/Region: BAIC
Location: Northern California Hayward
Vehicle:
2004 Impreza WRX
WRB

Default

Bottom: No matter what mods you have (unless you have cams) if you put your stock downpipe on, you will pass smog. Visually depends on how strict the smog place is. You do not have to flash back the ecu to stock for smog unless you have a crazy setup.
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