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      01-11-2020, 03:38 PM   #3
mspired335i
Second Lieutenant
United_States
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Drives: 2021 M5
Join Date: Feb 2013
Location: NY

iTrader: (2)

Arm are a good reasonable option , but their fitment isn't the best . Armytrix down pipes are a good option. I would also suggest Remus or Dinan systems will leave you with minimal power benefits , more of a sound thing . So that's up to you as well.
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