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Eisenmann Upper Downpipe Set - BMW F90 M5 (18'+)


The catalytic converters found in the factory downpipes arethe primary causes of exhaust flow restriction. Exhaust gasmust pass through the catalytic converter's these tiny honeycombweaves on their way to the exhaust system, thus restricting flow.


  • T304 Stainless Steel
  • Laser CNC Machining
  • Compatiable with OE or Aftermarket Exhausts

  • BMW F90 M5 18-20

    Tags: 2018 , 2019 , 2020 , BMW , M5