Yes I'm sure a new clean o2 will perform better than a used one. I was thinking of changing mine too ever since doing the vss job. I don't know how long it's been going on because the previous owner swore it never smoked. But judging by how little it smoked I'll give him the benefit of the doubt that he probably didn't know.

So I have been doing a lot of the "Italian Tune-Up" lately or any chance I ever get since the VSS was performed LOL


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2005 Imola 4.8iS