D660-0085-BLK – Dinan Free Flow Axle-Back Exhaust (Black Tips)- 2019-2020 BMW G20 M340i

Part Number: D660-0085-BLK Category:
Please call 1-408-866-0606 for availability.


  • More Power:  6 HP @ 6600 RPM, 5 LB-FT @ 6600 RPM
  • Enjoyably louder, sportier sound
  • Quad 4″ diameter clamp-on, double-walled, ceramic black and laser engraved exhaust tips
  • 100% 304 stainless steel construction
  • Larger diameter piping for increased flow (76mm vs 70mm)
  • 4 lbs lighter than the stock system
  • Stock exhaust valve actuator reused and another valve/actuator added to the opposing side promoting even flow regardless of valve position
  • Computer controlled exhaust valves are retained and limit noise during low speed driving and open fully during high-load conditions
  • Twin exhaust valves are a whopping 76mm diameter, making them 30% less restrictive than the OE valves
  • Easy bolt-on installation with included mounting hardware

Additional Information


Cancer and Reproductive Harm - www.P65Warnings.ca.gov


  • 2020-2023 BMW M340i Base Sedan
  • 2020-2023 BMW M340i xDrive Sedan
  • 2021 BMW M440i Base Convertible
  • 2021 BMW M440i xDrive Coupe
  • 2021-2023 BMW M440i xDrive Convertible
  • 2022-2023 BMW M440i Base Coupe


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