o2 sims needed on a 94?
04-20-2004, 02:11 PM
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o2 sims needed on a 94?
We are going to be installing a set of long tubes on my brothers 1994 z28 and I was just wondering if we need to have o2 sims behind the cat or if that was only in the 96+. I know that we need the o2 extensions for the front sensors but jsut wasnt sure if we needed sims for the back or even if there were o2 sensors back there. Thanks for the help
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