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Old 05-30-2013, 10:07 PM   #1
Misty
 
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High flow cats pass emissions

Will high flow cats pass an emission tests? The ones I am looking at (Solo) are not CARB certified. I am in WA state but we have the same emission laws as CA.
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Old 05-30-2013, 10:31 PM   #2
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As far as I've heard, the only ones that will most likely pass are the Kooks Green Cats
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Old 05-30-2013, 11:27 PM   #3
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I used to have a Magnaflow high flow cat on my old firebird and it passed inspection.. but I believe if there is no CARB sticker it probably won't pass..
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Old 05-31-2013, 06:19 AM   #4
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No CARB #, no pass.




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Old 05-31-2013, 10:16 AM   #5
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If ur lucky u might get a lazy tech n just stair at ur camaro the hole time he might nt even look for any E.O numbers cuz ima a smog tech and there r techs out there that don't now what there looking at/for most of the time so ask around smog places n see how old these smog techs , younger techs won't now they'll just get ur car in and out
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Old 05-31-2013, 10:48 AM   #6
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No aftermarket cats have a carb sticker.
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Old 05-31-2013, 01:38 PM   #7
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Exactly what everyone said...No Carb #/Sticker, you will not pass!

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Old 06-03-2013, 12:03 AM   #8
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I didn't see a CARB sticker on my OEM cats either. How would a smog tech know the difference between a hi flow and OEM setup?
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Old 06-03-2013, 12:28 AM   #9
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oem cats = 2 per side. HF cats = 1
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Old 06-03-2013, 09:36 AM   #10
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I thought as of January there was no more sniffer?... Just an OBD reading.
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Old 06-03-2013, 09:57 AM   #11
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Quote:
Originally Posted by caper View Post
oem cats = 2 per side. HF cats = 1
Right, but how would they know that? Maybe its in a database when they look up the car?
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Old 06-03-2013, 01:10 PM   #12
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Just read the "new" visual inspection criteria...cats must be in original configuration with the same number as OE unless CARB approved. High-flows = no goes!
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Old 06-03-2013, 01:15 PM   #13
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You should be good for a few years and by then it depends on the place you go but definitely ask around before you go to a random shop. Most shops if busy wont take the time look unless your running Longtubes and no mufflers, to obvious....
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Old 06-03-2013, 08:58 PM   #14
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Can you fail with no mufflers? Do mufflers affect the emissions in any way?
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