Deleting the Second Cats (California)

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12-30-17, 01:31 AM

OneFastF

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Deleting the Second Cats (California)

Probably super repetitive on this topic, but has anyone here pass smog by deleting the secondary cats in California? I'm planning on getting a custom exhaust with a Corsa Muffler if possible. If not then I would plan on making a location in my exhaust with a quick switch from straight pipes to secondary cats.

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12-30-17, 10:03 AM

Rossi

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12-30-17, 11:36 AM

jspecvtec

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Yeah it will pass the ob2. Just depends if tech knows on visual inspection car has 4 cats and fails u or not. If he doesn’t just get headers too haha

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12-30-17, 10:08 PM

AndrewISF

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Hypothetically speaking I may have the 2nd cats removed (x-force exhaust) and I just passed. OBD2 portion came back good and the tech did a visual and saw the cats on the stock headers and assumed the secondaries were there. You would have to look under the car to confirm them visually though.