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JeffK1

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About JeffK1

  • Rank
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  • Name
    Jeffrey
  • Location
    PA
  • Drives
    2019 Sierra Denali, 2016 BMW 328D wagon
  1. I recently had the factory cat back exhaust installed on my 2019 Sierra Ultimate 6.2 by the dealer. I saw on a Silverado reference that I have to change the calibration on the Bose Active Sound Management software. Does anyone know where to find the new calibrations?
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