- Joined
- May 10, 2016
- Messages
- 329
- Location
- Canada
So I learned something this weekend. If you are going to do the full auto tune set up regardless of what system you are using, the OEM narrowband O2 sensor positioning on the exhaust pipes is not interchangeable with wideband O2 sensors. I'm not talking about the diameter of the bung. (The narrow band is 12 mm and the wideband is 18 mm). I removed the OEM narrow band bungs that were welded to the pipes and replaced them with wideband bungs but the O2 sensors are a bit larger/ taller than the narrow band ones. So the rear pipe will need to be angled up a bit to clear the header pipe as much as possible while still being able to clear the heat shield. The front bung needs to rotate forward slightly and almost completely vertical. View attachment 30456View attachment 30457
That’s what I had to do as well, sneaked by fitting
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