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Exhaust Mod 1.5
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08-03-2017, 09:25 PM
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6ixSpd
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Drives: '16 M3, '23 718 Spyder
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Bimmersport did mine when I had the stock muffler.
1.5 or whatever number, refers to the piping changes inside the muffler, and has nothing to do with cats or resonators.
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'16 M3 | '23 718 Spyder
Past: E92 M3, F87 M2, E39 M5, etc
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