4-2-1 headers

raul_gianino

Member
:
2003 Mazda Protege5
Anyone running on the probe/626/mx6 headers ?
I need some help with the o2 sensors. I've decided to block off the egr connection on the headers and put a breather filter on the egr piping.

If anyone has some that they're trying to sell il buy them. if anyone has them on , if you can post some pics to get an idea what to do with the o2 sensors.

Thank you


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