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  1. R

    Vibration/knocking noise under passenger seat

    So my mbrp kept sliding forward and rattling every three months or so at the center hangar. Today I pulled the whole exhaust out. Took the center bracket off and ground it down in a few spots then reinstalled it backwards. We shall see if this fixes it.
  2. R

    I've got a Check Engine Light

    Same deal. Amazon part lasted 30 days. Submitted warranty claim to mfctr they ghosted me after initial response. Amazon agreed to take part back after some coercing. Trying the Dorman one today. Originally had P0496. On cheap part I have P0496 and P0456 after month of use.
  3. R

    Vibration/knocking noise under passenger seat

    That was it. Exhaust we pushing forward on decel and rattling against the hanger.
  4. R

    Vibration/knocking noise under passenger seat

    Same sound same exhaust. Been chasing it for a while. 2020 explorer st mbrp exhaust. Plastic or metallic rattling sound under passenger’s feet on decel with or without brake pedal. Speeds over 30 mph. It has gotten progressively more obnoxious. Will go check after lunch.


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