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Old 04-17-2004, 08:02 PM   #1
Scooby Newbie
Member#: 42778
Join Date: Sep 2003
04 wrx

Default up pipe install.

my friends uppipe came with an extra hole for the O2 sensor, so we would have an extra hole in the manifold, how would u go about plugging this, does anyone have thread sizes or a solution to this dilemma? thanks. this is for an 04 wrx btw. thanks
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chubb is offline   Reply With Quote
Old 04-17-2004, 08:27 PM   #2
Scooby Specialist
Member#: 39856
Join Date: Jul 2003
Chapter/Region: SCIC
Location: Los Angeles
2011 BMW 135i
Alpine White


Extra hole? So there is 1 or 2? It might be for an EGT gauge.
allanak is offline   Reply With Quote
Old 04-17-2004, 08:28 PM   #3
dan avoN7
Top Scoob 002
Member#: 32771
Join Date: Feb 2003
Chapter/Region: BAIC
Location: Danville, CA
03 Black WRX
04 White M3


can you tell us which uppipe it is exactly. Most aftermarket uppipe have 1 bung that is for the stock egt sensor but i would recommend plugging the hole with a bolt since the sensor are known to work there way out. The o2 sensor from the manifold MUST go back in that same hole.
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Old 04-18-2004, 12:51 PM   #4
Scooby Newbie
Member#: 27962
Join Date: Oct 2002
Chapter/Region: MWSOC
Location: Indy/East side
2003 WRX Sedan
Blue, with more dings!

Default I think...

It's probably for the EGT. Isn't that supposed to be plugged with a M12 by 1.25 bolt? Or hack the factory probe.
awdman is offline   Reply With Quote
Old 04-18-2004, 01:57 PM   #5
Scooby Specialist
Member#: 38795
Join Date: Jun 2003
Location: West Midtown Atlanta
2003 WRX
Sonic Yellow


yea..just plug it up. you can plug it and then weld it shut like on my uppipe which i bought used.
firedust is offline   Reply With Quote

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