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O2 sensor
  • Lance_wnc
    Posts:5
    Joined:Mon Aug 21, 2023 5:11 pm
    O2 sensor

    by Lance_wnc » Wed Dec 06, 2023 6:50 am

    I have 2023 300L. Got a full RS4 exhaust with a 550 performance ECU. What is the deal with the 02 sensor. What do you do with it once the Yosh pipe is on. Thanks
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