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  1. #1
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    How do people pass SMOG in California with a heavily modifed car?

    How do people in Cali pass smog when they upgrade their cars? I've seen people going catless and a few HPF e46 M3's and I want to know what they do. Do people just have the ability to return the car to stock or am I missing something else?

    This goes for any car that is heavily modified in Cali, including Evo or Sti's with upgraded turbos and exhaust, boosted S2000's, or American cars with SC.

    Thanks!!!

  2. #2
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    I am very, very curious about this as well.

    I guess you just have to pay people off?

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    When I lived in Cali, I kept my cat-less Audi registered in Georgia, where we had no inspection or emissions. Click here to enlarge

    California is terrible for stuff like that... small price to pay for the weather and the women however!

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    That's interesting. Thanks for telling me. Unfortunately, my car is registered in Cali... Click here to enlarge

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    ill keep my car registered here in texas. Click here to enlarge

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    I'm installing test pipes into my 3" mid pipes and i'm going to have 3" flanges welded onto my stock secondary cats and swap them in for the sniffer. They won't look pretty or flow well, but they catalysts will be able to do their job.

  7. #7
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    Click here to enlarge Originally Posted by klipseracer Click here to enlarge
    I'm installing test pipes into my 3" mid pipes and i'm going to have 3" flanges welded onto my stock secondary cats and swap them in for the sniffer. They won't look pretty or flow well, but they catalysts will be able to do their job.
    and I can't wait to see it completed!

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    Click here to enlarge Originally Posted by klipseracer Click here to enlarge
    I'm installing test pipes into my 3" mid pipes and i'm going to have 3" flanges welded onto my stock secondary cats and swap them in for the sniffer. They won't look pretty or flow well, but they catalysts will be able to do their job.
    That's a good solution, but is that what other people do as well?

    Sticky, since you have a SC M3, how were you planning on passing smog? It's obvious you got the money, so would you have paid off someone or go back to stock?

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    Click here to enlarge Originally Posted by onesuperboi Click here to enlarge

    Sticky, since you have a SC M3, how were you planning on passing smog? It's obvious you got the money, so would you have paid off someone or go back to stock?
    I was just going to cross that bridge when I came to it. I haven't really put any thought into it.

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    As long as you have cats you should be ok. Most people at smog places don't have a $#@!ing clue, so you don't have to worry about the visual inspection. You will have to either weld in cats to your system or swap it out for a catted system to pass the test. I keep my stock exhaust just so I can swap it out when it comes time to pass smog.

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    for me, i got lucky. where i live, there is a shop where the guy there is not familiar with aftermarket addons much and so he didnt even realize that my car had a kit on it. even though the blower sits right there in the front! Click here to enlarge but anyways, yeah, i passed with flying colors.
    Garage Queen LSB 2001 M3 | VF Engineering Stg 1 | Black out package | Depo Smoke corners | LED smoked Tail lights | UUC short Shifter | UUC RK5 shift knob | Vorsteiner V-CSL Vented Race Hood | CF windshield washer grill | H&R Springs | HRE C21, black center with custom LSB colored Lip | BSW Stg 1 Speakers | BSW Dual 10" Sub setup
    Click here to enlarge

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    Click here to enlarge Originally Posted by finger123 Click here to enlarge
    for me, i got lucky. where i live, there is a shop where the guy there is not familiar with aftermarket addons much and so he didnt even realize that my car had a kit on it. even though the blower sits right there in the front! Click here to enlarge but anyways, yeah, i passed with flying colors.
    Hahaha. That's amazing! Your car must be a beast too. Click here to enlarge

    Were you running with cats or catless?

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    Just gotta know people...atleast that is how it works down here...Click here to enlarge

  14. #14
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    im running a cat.. the car itself runs beautifully so when he put it on the rollers, he couldnt even tell that it was modified because they dont run the car past 35mph and not at wot anyways.... lol
    Garage Queen LSB 2001 M3 | VF Engineering Stg 1 | Black out package | Depo Smoke corners | LED smoked Tail lights | UUC short Shifter | UUC RK5 shift knob | Vorsteiner V-CSL Vented Race Hood | CF windshield washer grill | H&R Springs | HRE C21, black center with custom LSB colored Lip | BSW Stg 1 Speakers | BSW Dual 10" Sub setup
    Click here to enlarge

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    Well, if you know any people in the Bay Area, help a brother out. Click here to enlarge

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    Hahaha. You're a lucky guy. I guess I should of tried my luck with the local guy and see if he knows anything about cars.

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    Click here to enlarge Originally Posted by onesuperboi Click here to enlarge
    Hahaha. You're a lucky guy. I guess I should of tried my luck with the local guy and see if he knows anything about cars.
    some of the people in the e90post california section will be able to refer you to someone. actually, just search the old threads. good luck.

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