DC sports 4-1 header for 2007-2011 Yaris

[thebarber]

assuming that the o2 bung isnt open? iirc the yaris has the o2 sensor in the midpipe...right? the xa/xb/echo have the o2 in the header..

[largeorangefont]

Originally Posted by thebarber

assuming that the o2 bung isnt open? iirc the yaris has the o2 sensor in the midpipe...right? the xa/xb/echo have the o2 in the header..

02 is in the header. There is a bung in this header, you can see the top of it in the picture. The midpipe 02 is just to make sure the main cat is functioning.