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exhaust pipe diameter?

Discussion in 'E30 (1984-1993)' started by mac townsend, May 21, 2008.

    mac townsend guest

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    1984 325E. I want to cut a new cat converter into the stock front pipe. What is the diameter of the stock head pipe? My car's not nearby (stuck in storage until i can get some things fixed) so I'm hoping someone knows off the top of their head..

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