Quote:
Originally Posted by Ed_C
Curious about CA smog checks:
- If they see CARB EO labels under the hood, will they actually cross-reference the numbers to verify they're for the vehicle?
- Will there be an issue if replacement cats that were originally welded were converted to flanges instead?
- If you cover the headers with OEM heat shields, will the inspectors take the time to actuality snoop around to verify there are OEM/OEM type manifolds under there?
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If the smog tech is "by the book", they will cross-reference the EO #. If you model AND year does not match, you do not pass, it's happened before. Even if the EO # is for the same engine on a different model it will not pass. Now, not every tech is that thorough *wink wink*.
Welds vs flanges is fine though either way. It's common as an anti-theft device to weld on the cats with a sort of reinforcement to make it really hard to cut through. Back when metals prices spiked in 2011 cat thefts out here in California really skyrocketed. My cat was welded before, it passed fine. When I put headers on it has a flange now, also passed just fine.
