Will I pass a smog test if i straight pipe my 2005 Chevy Silverado?

Question:
IT HAS TWO CATS STOCK! SO IM TRYING TO BRING TWO DIFFERENT EXHAUST PIPES, ONE FROM EACH OF THE CATS? BECAUSE I RATHER DO THIS THEN GET A DUAL FLOWMASTER!
LET ME KNOW THANX!

Answers:

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** Apparently, reading comprehension is rough around here. The guy said he has the stock cats.**

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It depends on what your state laws are as far as emmissions go. Straight pipes after the cats don't affect emmissions, only noise level. If you had removed the cats, you would definitely fail. Leaving the cats and straigh piping the thing should be okay, but check your local laws before you do anything though. And if nothing else, get an exhaust cutout, and leave the stock cat-back on there. Then, with the flip of a switch, you can go from noise to street legal.

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yes, the cats are what trap emissions not the my mufflers plus it will sound great with strait pipes..

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you might want to check your states laws to see if you need mufflers because i don't think it will pass with just cats and straight pipe you will pry need some kind of muffler

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The mufflers do not affect the emissions, only the cats do. So as far as emissions go, you are fine, now as far as being legal with the increased noise, I don't think that would be legal, may sound good, but not legal.

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Enjoy, while you can. ( :

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it will work as long as you do not remove to O2 sensors located after the converters

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Sorry Bro! But in the state of California for all people who dont know not having a cat is a big crime. Your car will get consfescated by the state. The cat is what filter's your air so you really needed for smog.

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You should bcuz, you have Cats on it!

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