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      07-04-2020, 05:56 PM   #11
blackdog2222
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Drives: 2019 M550i
Join Date: Jan 2020
Location: Boston

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I agree with MLIFE550 regarding the butchering and the negative effects of a resonator hack out including horsepower loss . Select a professional engineered system. I went with the Dinan mid-pipe and exhaust, but there several others quality competitors.
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