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Old 03-13-2013, 02:08 PM   #22
Coreyf983
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Member#: 325292
Join Date: Jul 2012
Vehicle:
2004 Impreza WRX

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Quote:
Originally Posted by Subian View Post
Fisked.. Subaru stopped putting cat. converters in the up-pipe in 2004 in the sti and 2006 in the wrx.
Did they make any other additional changes to allow the up pipe cat deletes? I do not want more exhaust smell than necessary.
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