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How about straight pipes? Luckily, my truck didn't come with a cat from the factory. Would straight pipes pass as well?
Straight pipe as in muffler removed, yes? (I'm sure that's what you mean, I just wanna be certain)
You cannot remove a muffler from any exhaust system. Not even from the pre '73 cars that don't have to be smogged. But if you get a tech that doesn't give a dang if you have one or not, then you're fine.
When I smogged my Ex and my F250, the tech never even looked under my truck to see if it had a muffler.
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