Quote:
Originally Posted by codinge90
Any exhaust that does not touch the primary cats will pass smog in California. They no longer do a visual so all you need is to pass emissions readiness.
Can't comment on warranty as every single extended warranty company is different and will deny claims differently than one another. I will say when I had extended warranty from bmw a couple years back, I came in with fully catless exhaust and tune and they still worked on my car.
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They did a visual when I had to smog in October.
Anything that doesnt touch the primary or secondary cats will pass.