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Old 02-21-2001, 03:50 PM   #1
NASIOC Supporter
Member#: 132
Join Date: Jul 1999
Chapter/Region: Tri-State
Location: Central PA
2006 GT Ltd 5spd sdn
'15 WRX 6spd CWP, '02 WRX

Post "Up-Pipe" cat replacement info?

Sorry if this was covered before( did a search but didn't find anything specific).

I just recieved the new Hyper Rev " New Impreza STi Perfect Guide", and noticed a shot of a factory up pipe with the cat in it that had a O2 sensor right between the cat and the turbo( ), obviously making it difficult to simply throw in a "test pipe" for those who desired to do so.

I was curious if any of you that crawled under the Impreza here in the US noticed the same O2 sensor( can't see why we wouldn't get one).
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