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exhaust with 200 cells cats

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Old 10-28-2018, 01:23 PM
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CHRIS WU
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Default exhaust with 200 cells cats

Good morning
Will performance exhaust with 200 cells cats pass California emission test? ( 2008 997 tt with stock engine), thanks.
Old 10-28-2018, 01:30 PM
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usrodeo4
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Good question...thank goodness I live in Fl. where they don't enforce their exhaust emissions laws, as running cats on a Turbo build is dangerous and very inefficient. I have heard that some 200 cell cats can cause an error code in the OEM ECU and I have seen some say 50 state compliant but I would ask the specific manufacturer for guidance. My understanding is if they are cali compliant they have to be specifically approved by the Cali Air Board.
Old 10-28-2018, 02:38 PM
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CHRIS WU
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Yeah, looking to free up some exhaust flow and nicer sound , just don't wnat to spend $$ and down the road find out it won't pass.
Everything else are almost sort out, but these cars are just too quite!!
Old 10-29-2018, 12:44 PM
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cjcam930
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The California test now is basically a code scan and visual inspection. Officially, even if your car runs cleaner than stock and all codes are clear, it doesn't matter as you need to have all OE emissions equipment or CARB exemption/certification decals for any aftermarket parts.
Old 10-30-2018, 06:28 PM
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uberm3
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A europipe stage 2 on a stock tune will pass the scan - yes. You always risk failing a visual.
Old 11-01-2018, 05:27 AM
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jcnesq
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I have a Milltek exhaust with 200 cell cats, and have been through CA smog tests several times with no problems.
Old 11-01-2018, 12:29 PM
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realking
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The good thing with the Europipe is that it looks OEM



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