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CTS Turbo is proud to announce the release of our BMW S58 G80/G82 M3/M3 Competition/M4/M4 Competition Downpipes.

Our stainless steel downpipes allow for faster spool, better transient boost response, higher boost, and great sound. Our downpipes are the first part of our modular exhaust system and are compatible with factory mid-pipes. You should expect strong torque gains when paired with appropriate tuning software. We used CAD simulation to streamline the flow of exhaust gasses and ensure seamless integration with the factory and CTS exhaust components. Many hours of R&D were spent to ensure a perfect fit, smooth exhaust flow, and excellent sound.

Use of Bootmod3 software compatible and is strongly recommended. CEL will illuminate if correct software tuning is not used.


  • Durable 304 food-grade stainless steel

  • Laser-cut flanges

  • Factory-like placement of O2 sensors

  • Designed using the latest 3D scanning technology

  • LHD/RHD fitment

  • Exhaust flow simulated with CAD software to ensure optimal flow routing

  • Perfect fit with factory or aftermarket mid-pipes

  • Aggressive sound – really makes that S58 scream


  • 2021+ BMW S58 M3/M3 Competition

  • 2021+ BMW S58 M4/ M4 Competition

CTS TURBO Charge Pipe Set for M3/M4 Models, specifically, these

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