Stock exhaust diamiter

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  • hella 325
    Grease Monkey
    • Sep 2004
    • 380
    #1

    Stock exhaust diamiter

    what is the diamiter of the stock pipes on the 325is? (not the tips, the pipes from teh cat to the muffler)

    Russell
    1987 325is
    1992 240sx coupe
    1994 525i
    Tags: None
    • hella 325
      Grease Monkey
      • Sep 2004
      • 380
      #2
      anyone?

      Russell
      1987 325is
      1992 240sx coupe
      1994 525i

        Comment

        • 325Projectz
          E30 Mastermind
          • Jan 2005
          • 1956
          #3
          I want to say its 1 7/8 but i'm not 100%
          91 m3

            Comment

            • Mystikal
              Moderator
              Wheel Fitment Expert
              • Nov 2003
              • 9602
              #4
              2 x 45mm

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