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High flow cats in California

Discussion in 'California (Southern)' started by rzundel, Apr 15, 2015.

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  1. rzundel

    rzundel Formula Junior

    Dec 30, 2006
    530
    Southern California
    #1 rzundel, Apr 15, 2015
    I would like to install high flow cats but realize California laws are not in favor of this. I know many guys are running these. I would like to know if you are running into any issue passing smog? What do I need to be aware of if I choose to proceed with installation?
     
  2. RSO1091

    RSO1091 Formula 3

    Mar 31, 2012
    1,547
    Idyllwild, CA.
    Full Name:
    Henry S.
    #2 RSO1091, Apr 15, 2015
    High flow cats are supposedly a violation (visually) even before they test your car, but I have had absolutely no problems passing my last two inspections with them on. It helps that I live in a small community and the testers here only see a Ferrari once every two years, so they wouldn't know what original equipment was. Tried with straight pipes once just for grins and didn't pass.

    Good luck, Henry
     
    Deezul_812SF likes this.
  3. dfranzen

    dfranzen Formula 3
    Owner

    Aug 31, 2013
    1,577
    Ponte Vedra Beach , FL
    Full Name:
    Don Franzen
    #3 dfranzen, Apr 15, 2015
    Make sure the cat is 48 state legal ............that way its made to pass smog
     
  4. SoCal1

    SoCal1 F1 Veteran
    Owner Silver Subscribed

    Jun 14, 2011
    8,629
    SoCal LA/OC/New Mexico
    Full Name:
    Tim Dee
    #4 SoCal1, Apr 15, 2015
    illegal cats, non CARB certified

    300 cell pass
    200 cell pass as long as engine is healthy
    199 cell good luck

    I have tried all 3 styles on a smog machine on a 355
     
    Deezul_812SF likes this.
  5. rzundel

    rzundel Formula Junior

    Dec 30, 2006
    530
    Southern California
    #5 rzundel, Apr 15, 2015
    Good to know. I'm trying to figure out how they would visually inspect them anyway? They don't houst the car and inspect and I can't imagine that anyone would know the difference. These are Larini sport Cats so I know the quality is good.
     
  6. RSO1091

    RSO1091 Formula 3

    Mar 31, 2012
    1,547
    Idyllwild, CA.
    Full Name:
    Henry S.
    #6 RSO1091, Apr 15, 2015
    I have a 355, so you can easily see them by looking down into the engine bay. Good info from the guys regarding the type of cat though. Does make a difference.
     
  7. TrojanFan

    TrojanFan F1 Veteran
    Owner Silver Subscribed

    Nov 17, 2008
    5,132
    So. CA & NV
    Full Name:
    Peter
    #7 TrojanFan, Apr 15, 2015
    Non-approved cats are supposed to be an automatic fail in California if they bother to catch that on the inspection. Many smog stations are either too lazy to inspect or don't know what they are looking at anyway, HOWEVER if you do run into someone that does their job and knows what to look for, you are risking of failing. I went the route of having my OME cats re-cored by FabSpeed with high performance metal cores. To look at them, they look exactly like OME and I just had them tested. Very Clean!
     
  8. ferrame

    ferrame Formula 3

    Mar 2, 2005
    1,196
    Orange, Calif
    #8 ferrame, Apr 15, 2015
    I had installed Hyper-flow cats on my CS since 2008 and passed smog easily every time. I had also installed Evoflow (a new local company) cats on my 02 360 spider and I do not have any problem with passing smog either.
     
    Tarek307 likes this.
  9. mikeyr

    mikeyr Formula 3

    Jun 17, 2004
    2,154
    Santa Barbara, CA.
    Full Name:
    Mike Rambour
    #9 mikeyr, Apr 18, 2015
    my smog guy last time went to a 3-ring binder that had pictures of OEM cats and compared it to the ones on my car. It looked like a official binder he was looking at.
     
  10. R5Turbo2

    R5Turbo2 Formula Junior
    BANNED

    Sep 14, 2014
    260
    #10 R5Turbo2, Apr 19, 2015
    not legal.... unless your gonna install them yourself.

    How did you come up with this ?
    If the internet was filled with all true stories.

    Thankfully you have done your homework :).


    They are using tablets now as they are looking at all of the item to make sure they are CALIFORNIA CERTIFIED & 50 state legal -
     
  11. RSO1091

    RSO1091 Formula 3

    Mar 31, 2012
    1,547
    Idyllwild, CA.
    Full Name:
    Henry S.
    #11 RSO1091, Apr 19, 2015
    I'm going to keep my fingers crossed that the smog guy in our relatively small town isn't that advanced this November...
     
  12. dfranzen

    dfranzen Formula 3
    Owner

    Aug 31, 2013
    1,577
    Ponte Vedra Beach , FL
    Full Name:
    Don Franzen
    #12 dfranzen, Apr 19, 2015
    R5Turbo2
    How did you come up with this ?
    If the internet was filled with all true stories.

    Dear sir let me clarify - IT will pass SMELL ONLY not inspection

    CAT companies are certified for other states by the cat not the car and pass other state emmisions

    UNFORTUNATELY California makes the cat be certified for each car type that it is to be used on (very expensive) hence the CARB number that is placed on a cat that is looked at for compliance

    (one will be hard pressed if not at all to find fully compliant "carb certified" replacement cats for CA)....if you know of one please let us all in on it......
     

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