California exhaust valve bypass freemod | FerrariChat

California exhaust valve bypass freemod

Discussion in 'California/Portofino/Roma' started by Fireman1291, Jan 1, 2019.

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  1. Fireman1291

    Fireman1291 Formula Junior

    Oct 30, 2017
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    Tampa, FL
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    Adam
    #1 Fireman1291, Jan 1, 2019
    So I remember seeing a thread where someone found the proper vacuum line under the hood that you disconnect, plug with a screw or golf tee and then the valves on the exhaust stay open. This is an easier way than taking the rear diffuser off and disconnecting the lines at the mufflers.

    I searched the forum and can't for the life of me find the thread. Any help?
     
  2. tomc

    tomc Two Time F1 World Champ

    Apr 13, 2014
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    Tom C
    #2 tomc, Jan 1, 2019
  3. Fireman1291

    Fireman1291 Formula Junior

    Oct 30, 2017
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    Tampa, FL
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    Adam
    #3 Fireman1291, Jan 2, 2019
  4. cab2u

    cab2u Karting

    Nov 19, 2003
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    NYC
    #4 cab2u, Jan 2, 2019
    tomc likes this.
  5. Fireman1291

    Fireman1291 Formula Junior

    Oct 30, 2017
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    Adam
    #5 Fireman1291, Jan 2, 2019
  6. ROOSTERinRARI

    ROOSTERinRARI Rookie
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    Jan 14, 2019
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    Brian O'Connor
    #6 ROOSTERinRARI, Jan 14, 2019
    I recommend replacing the factory exhaust system with a motec system, pair that with an AEM cold air intake and you should be running 9s
     
  7. Fireman1291

    Fireman1291 Formula Junior

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    Adam
    #7 Fireman1291, Jan 14, 2019
    Sgt Tanner hasn't approved that for the budget.
     
  8. karachy

    karachy Rookie

    Mar 6, 2016
    11
    #8 karachy, Feb 2, 2019
    Is there a simple way to keep the flaps open for the Cali T as well?

    Or do I have to visit the dealer / retrofit the HS exhaust...?
     
  9. Fabspeed Motorsport

    Fabspeed Motorsport F1 Rookie
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    John S
    #9 Fabspeed Motorsport, Feb 20, 2019
    On the Cali swapping the Stock cats for the a set of sport cats would help get a ton more sound and performance. Unplugging the vacuum lines to keep the valves open creates a monster of a car.:)
     
  10. Horsin'around

    Horsin'around Karting

    Jun 14, 2017
    237
    #10 Horsin'around, Mar 31, 2019
    Could you simply “pinch” or clamp the vacuum hose instead of pulling it out and plugging it?

    Some of these hoses are in hard to reach locations but would be very easy to simply place a clamp across it.


    Sent from my iPhone using Tapatalk
     
  11. Wheels1

    Wheels1 F1 Rookie
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    Oct 23, 2007
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    Grant
    #11 Wheels1, Aug 13, 2019
    Yes.
    Use a brake pipe clamp, I did this with my old 599
     

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