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Old 03-17-2013, 02:44 PM   #3
maizer89
Scooby Newbie
 
Member#: 326861
Join Date: Jul 2012
Chapter/Region: SCIC
Location: inland empire
Vehicle:
2013 wrx
wrb

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I had a open source pro-dyno tune with the cobb catted dp and the stock exhaust, so with adding the q300 exhaust and switching out to a 3in invidia catted downpipe I probably shouldn't worry about a tune right?
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