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Discussion Starter · #1 ·
My cats have been rattling for a long time on my 2002 Escalade, I happen to find a set of low mile caps off another 2002 Escalade. They are both completely different and I don't understand. From my Google searches, everything seems to match the new to me cats and Y pipe. But that is not what is currently on my Escalade. Anyone shed some light on what the heck is going on?
Everything on my existing setup looks Factory which is what I don't understand. The Upstream O2 sensor bung is in a different location on the new to me set, and there's some sort of a pre cat diffuser on them as well. This all jives with the Google images that I'm finding for a 2002 year set up. What the heck is on mine?
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