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  1. #1
    Junior Member One Ring
    Join Date
    Dec 21 2022
    AZ Member #
    861297
    Location
    DMV

    MD Vehicle Inspection

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    Just picked up an 8V RS3. Car has a Uni DP with Uni mid pipes. No CEL and emissions readiness is set. Am I going to catch grief for not having the downstream cat?


    Sent from my iPhone using Audizine Forum

  2. #2
    Veteran Member Four Rings LionKing's Avatar
    Join Date
    Mar 09 2017
    AZ Member #
    395057
    My Garage
    2009 A6 Avant - 5.2L V10 Swapped, 2013 S4 Backroads Warrior
    Location
    MD

    Quote Originally Posted by davewes View Post
    Just picked up an 8V RS3. Car has a Uni DP with Uni mid pipes. No CEL and emissions readiness is set. Am I going to catch grief for not having the downstream cat?


    Sent from my iPhone using Audizine Forum
    Cat off the turbo is needed, if a cat isn't between 02 sensors it's technically a resonator. And technically they don't need to be there
    -MD state inspector

    Sent from my Pixel 6 using Audizine Forum mobile app
    "Exhaust Gases go in the turbocharger and spin it, witchcraft happens, and you go faster"

  3. #3
    Junior Member One Ring
    Join Date
    Dec 21 2022
    AZ Member #
    861297
    Location
    DMV




    Sent from my iPhone using Audizine Forum

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