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Old 01-27-2008, 05:19 PM   #13
ZeppelinPie792
Scooby Newbie
 
Member#: 160287
Join Date: Sep 2007
Chapter/Region: TXIC
Location: Around Austin, TX
Vehicle:
2007 Impreza 2.5i SE
Newport Pearl Blue

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Theres a cat in the header, which makes its official name "exhaust manifold"

Theres another one in the cat pipe, right after the exhaust manifold.

If you do a pre-05 retrofit with borlas, you will only have one in your cat pipe, unless you get a track pipe.
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