legal header question
I wish to swap it to mass air, and obviously I need an extra o2 port.
Well aparently 96 headers and exhaust manifolds have o2 ports, which brings me to my question.
the catalog for flowtech headers says for a 95 5.8 "91628FLT"
and for a 96 5.8 "91668FLT"
so I was wondering is it just a o2 port, or there an actual diffirence in size of the things and the way they mount up.
Any ideas?


