355 - Would a catless Ypipe on 355 5.2 throw warning lights ? | FerrariChat

355 Would a catless Ypipe on 355 5.2 throw warning lights ?

Discussion in '348/355' started by bennzwel, Dec 16, 2021.

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  1. bennzwel

    bennzwel Karting

    Nov 30, 2018
    111
    Full Name:
    B N
    As topic suggest, wanted to know if only changing the ypipe to catless would cause any warning lights on a 355 5.2?


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  2. INTMD8

    INTMD8 F1 Veteran
    Owner Silver Subscribed

    Jun 10, 2007
    6,753
    Lake Villa IL
    No, there is no secondary cat monitoring, just a thermocouple to monitor bypass valve operation.
     
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  3. Drock28

    Drock28 Formula 3

    Jan 13, 2013
    1,430
    Montreal
    Full Name:
    Tony
    I can confirm as well.. running Nouvalari catless ypipe on 5.2, no issues.
     
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  4. bennzwel

    bennzwel Karting

    Nov 30, 2018
    111
    Full Name:
    B N
    Does it make any difference to the sound or power ?


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  5. Ferrarista98

    Ferrarista98 Formula Junior
    Rossa Subscribed

    Jan 7, 2018
    284
    Full Name:
    Jason L
  6. Drock28

    Drock28 Formula 3

    Jan 13, 2013
    1,430
    Montreal
    Full Name:
    Tony
    power difference nothing that is noticeable.

    nicer sounding and better flowing when bypass opens at full throttle yes. the smaller cats in the stock ypipe holds that back.

    so in my opinion no brainer change to do

    Larini and Nouvalari, in the lower price range.
     
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