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Old 09-23-2008, 04:08 PM   #41
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Originally Posted by patsmx5 View Post
I think all 99's had the pre cat. Mine did and it's not a cali car. It's called "the boat anchor". That huge cast iron manifold has a pre cat built into it. Double check, but I'm 99% sure all NB's have a pre cat.
Can anyone confirm that all '99's had a precat in the exhaust manifold? I was under the impression that was essentially the difference in a cali car and a 49 state car. I'm gonna be hella unhappy if I go to the trouble of pulling the manifold out for nothing.
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Old 09-23-2008, 04:12 PM   #42
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Probably not worth much, but IIRC, cali cars have 3 O2 sensors and non cali cars had 2. I'll look up the pre cat **** real quick...
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