They said that to the mob where I got the exhaust done. But I suppose that they welded in a O2 sensor bung on a 3.5/3.9 set of headers.
Here are mine:
https://www.aulro.com/afvb/https://www.aulro.com/afvb/Click on the images to zoom in.
https://www.aulro.com/afvb/https://www.aulro.com/afvb/images/im...2012/02/17.jpg
https://www.aulro.com/afvb/images/im...2012/02/18.jpg
https://www.aulro.com/afvb/
https://www.aulro.com/afvb/

