General Tech / How To's / Installations Technical discussions about the USDM 2008+ WRX and WRX STi.

Quick Question!

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Old 02-23-2015, 09:47 AM
  #1  
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TFruggedoutlaw's Avatar
 
Join Date: Jul 2014
Location: Danville, PA
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Car Info: 2009 Subaru Impreza 2.5i
Post Quick Question!

Running an 09 2.5i and just put a CAI in it a while back. Now looking to get that rumble from a catback. Thinking of running a tsudo n1 08-10 wrx exhaust and probably getting some rallisport UEL headers. I know its a costly thing but want that rumble sound and not looking for huge gain either way. Any other ideas you all could throw at me LET ME KNOW!. Looking for any advice Thanks!
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Old 02-23-2015, 10:29 AM
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It's QQ thankyouverymuch
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Join Date: May 2007
Location: San Jose
Posts: 19,706
Car Info: 2011 SWP WRX Hatch
Watch out on those headers. Even with the "factory" cat, the o2 sensor may still not get a proper reading and throw a CEL. From what I understand, it's been hit or miss.

Catbacks are pretty much open to your taste.
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