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Old 01-02-2013, 09:46 PM   #2748
TheRealGkz
Scooby Newbie
 
Member#: 339946
Join Date: Dec 2012
Location: So Cal
Vehicle:
2013 Impreza Wrx
Black (CBS) Hatch

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Quote:
Originally Posted by shefledthescene View Post
Whoever told you that probably shouldn't be giving advice. A cat back doesn't require a tune. Do a quick search and there are tons of threads you can read
So if I bought this: http://www.rallysportdirect.com/Invi...-2011-WRX-2011
I would not need a tune at all? Would it be more effective with a tune? And how much gains would I get over stock exhaust. Sorry for all the questions, im new to this world! (:
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