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Discussion Starter #1
""New "Low Restriction, Cooler Temperature" A/F Sensor Boss We've got a new style weld-able "boss" or "bung" for the A/F sensors (wide band O2 sensors). It's designed with some small cooling fins and extra depth to keep the A/F sensor cooler (good for high temp turbo applications) and out of the flow (to be lower restriction).""

W-B Boss.jpg

I've had to change wide-bands due to heater failure or being polluted (low lead fuel).
Wondering if this little dude might help.
 

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Discussion Starter #3
From a news letter that I just received today from Performance Trends.
Part number DTM-EBSE.

I'm kind of concerned about raising the sensor tip out of the exhaust stream:confused:
It could misread the oxygen content.
 

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Wondering if this little dude might help.
Maybe a little, the cooling fin area is so small I can't imagine that it can do much. Looks cool though (no pun intended :bs2:)
 
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