C32 Exhaust Mod for California...?
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Junior Member
Joined: Sep 2013
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From: So-Cal
2006 Mercedes-Benz AMG E55 Kompressor 2003 Mercedes-Benz AMG C32 Kompressor
C32 Exhaust Mod for California...?
With the lack of exhaust choices for the C32... Looking into doing the Exhaust Mod of removing the Secondary Cats and Resonator... Does any C32 owners in California know if doing both mods or either one of the two that would NOT be a problem for California Smog testing...??? Hoping some California Faithfuls can give me some insight so I can get this C32 Growling a little and maybe breath a little better to... Thanks in Advance... Roland Navalta / Ikaika808
Last edited by ikaika808; Sep 11, 2017 at 07:37 PM.
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Joined: Feb 2011
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From: Austin, TX
2006 E55, 2012 GLK350 & 1992 190e sportline
With the lack of exhaust choices for the C32... Looking into doing the Exhaust Mod of removing the Secondary Cats and Resonator... Does any C32 owners in California know if doing both mods or either one of the two that would NOT be a problem for California Smog testing...??? Hoping some California Faithfuls can give me some insight so I can get this C32 Growling a little and maybe breath a little better to... Thanks in Advance... Roland Navalta / Ikaika808
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2013 c63 Magnuson SCed
Pretty sure I've read of California folks who have deleted the secondaries and still passed emission checks. Not sure if they know we're supposed to have two sets and once the car is warm enough, the primaries keep it clean enough to pass.
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Joined: Feb 2011
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From: Austin, TX
2006 E55, 2012 GLK350 & 1992 190e sportline
Im not saying you cant get it smoged I am saying it is illegal. It can make it way harder to get a smog done though.
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Joined: Jul 2012
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2013 c63 Magnuson SCed
Would they know it was illegal? They do a visual and see the primaries, hook it up and it passes and move to the next poor sap, no? Ohio no longer has emissions checks so my missing secondaries are a non-issue and I'm purely guessing.
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Joined: Feb 2014
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From: New Hampshire
C 32 AMG & FG2 Civic Si
this is not true at all. i and plenty of friends have fully custom exhaust in california and pass smog no problem. the state only takes issue with any modifications upstream from the O2 sensors (cats, headers, intakes). so those mods that are upstream from the O2s absolutely need to have a CARB number.
technically, i believe modifying the exhaust in general is illegal in CA, but that is NOT enforced via smog checks and i've never heard of it being enforced by a police officer.
technically, i believe modifying the exhaust in general is illegal in CA, but that is NOT enforced via smog checks and i've never heard of it being enforced by a police officer.
MBWorld Fanatic!
Joined: Feb 2011
Posts: 2,562
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From: Austin, TX
2006 E55, 2012 GLK350 & 1992 190e sportline
this is not true at all. i and plenty of friends have fully custom exhaust in california and pass smog no problem. the state only takes issue with any modifications upstream from the O2 sensors (cats, headers, intakes). so those mods that are upstream from the O2s absolutely need to have a CARB number.
technically, i believe modifying the exhaust in general is illegal in CA, but that is NOT enforced via smog checks and i've never heard of it being enforced by a police officer.
technically, i believe modifying the exhaust in general is illegal in CA, but that is NOT enforced via smog checks and i've never heard of it being enforced by a police officer.
plus removing the secondary converters is altering the emissions equipment and ca result in a fail for that alone.
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Member
Joined: Feb 2014
Posts: 134
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From: New Hampshire
C 32 AMG & FG2 Civic Si
correct, that is the law but i have never ever heard of it being enforced by a police officer, and a smog check has nothing to do with whether or not the exhaust has been modified to be made louder.
all you need to worry about for CA smog tests are anything upstream from the O2s (for the visual portion) and that your all your sensors are happy from the OBD2 port's point of view.
all you need to worry about for CA smog tests are anything upstream from the O2s (for the visual portion) and that your all your sensors are happy from the OBD2 port's point of view.
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