Subaru Legacy EJ25 GT 2000 exhaust replacement- AFR install question

  • bradlington
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11 months 3 weeks ago #200527 by bradlington
Good day--Today I had my exhaust replaced with 50mm Stainless front to back - unfortunately the tyre/exhaust shop could not start the exhaust where I wanted to as they did not have the advanced knowledge when I started wanting to add a bung etc.
So my new exhasust consisting of one Cowley silencer and one Cowley mid silencer starts straight after the first Cat with the O2 sensor . I will be taking the vehicle to a more specialized shop to replaced this section from downheaders to new exhaust and remove the cat converter section .
My question is: I am adding a wideband AFR guage with a bosch sensor - how far apart from the standard O2 sensor position should the new wideband sensor bung be mounted .
Thank you in advance.
South Africa

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