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Aftermarket catalytic converter question

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70
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d2mmasosr
Posts: 2
Joined: 4 April 2013
Year and Model: 1998 V70 GLT
Location:

Aftermarket catalytic converter question

Post by d2mmasosr »

I have a 1998 Volvo V70 GLT and want to scrap the old (230k miles) catalytic converter out for a newer one, probably a universal Magnaflow. Where would the rear O2 sensor go? On the stock converter it looks to be threaded directly into the the body of the converter. I have read some prior posts about the fabrication involved, and that wouldn't be an issue, but I'm not sure what to do about that O2 sensor. Tips, tricks, or pointers?
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vjaneczko
Posts: 1550
Joined: 27 March 2006
Year and Model: 2006 S60R
Location: San Antonio, TX
Been thanked: 6 times

Post by vjaneczko »

If you aren't too concerned about the emissions of your car, you can pretty much put it anywhere after the cat. If you are, it would be best to stick with OEM - but I'm guessing you're aren't.

For their turbo-back exhaust, IPD uses a cat from Vibrant Power and the sensor is maybe six inches behind it.
"He attacked everything in life with a mix of extraordinary genius and naive incompetence, and it was often difficult to tell which was which." - Douglas Adams

1997 855 GLT - R.I.P.
2006 S60R - For ME!
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