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FabSpeed - M5 F90 Primary Sport Catalytic Converter Downpipes


Product Code FABUI4ZR24
Manufacturer FabSpeed
Condition New

Earn Reward Points: 3995

Dollar Value of Points: $39.95

BMW M5 F90 Primary Sport Catalytic Converter Downpipes

Replaces the restrictive factory cats with high-performance 200-cell HJS Sport Cats for maximum performance and a more aggressive exhaust note





Eliminate the heavy and restrictive factory catalytic converters with straight-pipe, high flowing stainless steel downpipes for maximum power and an exhilarating sound.                                                                                                                         


  • Fits all BMW F90 M5 vehicles (2017+)
  • Replaces the restrictive factory catalytic converters with high flowing 200 cell HJS catalytic converters for increased throttle response, and a more aggressive exhaust sound
  • Constructed out of T304L stainless steel with CNC machined flanges and laser cut brackets
  • Manufactured entirely in-house by our precision machine shop at Fabspeed Motorsport
  • Designed to fit seamlessly with the factory exhaust system and are also compatible with any other aftermarket exhaust system that is designed to fit like OEM
  • Direct replacement bolt-on complete German catalytic converter assemblies for the stock OEM restrictive catalytic converters
  • Guaranteed no Check Engine Light – ultra high quality Extra large 130mm catalytic converters that will support over 1200HP. Obviously great for 600 to 900HP.
  • More power that any cat bypass pipe system while complying with emissions and not having a car stink and pollute the environment
  • CNC precision billet stainless steel inlet and outlet flanges. Fit into “HOT V” on the engine.

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