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Megan Racing Exhaust Downpipe with High Flow Cat For 14-18 M3 F80/14-20 M4 F82

Megan Exhaust downpipes for the F80/F82 2014+ BMW M3/M4 replaces the factory components with a pure stainless steel system which also replaces the factory catalytic converter with a high flow, 200 cell catalyst improving overall flow, turbo response and exhaust noise.. reducing exhaust back-pressure while increasing turbo boost response and giving the engine a more aggressive sound pitch.

Our downpipes are constructed with 100% T-304 stainless steel and are designed to be completely bolt-on components requiring no added modification. All products are protected with a 1-year warranty against manufacturer defects. Off-road use only. Off-road use only and will require an ecu tune in order to delete the "check engine light".

  • Material: T304 Stainless Steel
  • Color: Metallic. Surface Finish: Polish
  • Downpipe Spec: Complete bolt-on unit with 200 Cell High-Flow Catalytic Converter
  • Inlet/Outlet: 75mm ID/60mm ID. 2 x O2 Sensor Bung
  • Increase High Flow Air and Maximize Performance
  • TIG Weld for Strength and Durability
  • CNC Machine Flanges for Strong Solid Support


  • For 2014-2018 BMW M3 F80
  • For 2014-2020 BMW M4 F82

Remark: The catalytic converter does not comply with any Federal or California emissions regulations. These are not intended for street use


All Megan Racing Exhaust and Suspension products are deemed for "off-road use only"-- please check local laws regarding the modification of the exhaust systems by checking the vehicle code for your state. Many states are more stringent on exhaust modification laws and to pass SMOG. Please check your local laws.

All Megan Racing exhaust system components will alter and affect the vehicle's overall sound in pitch and volume. All to which is subjective in manner. Megan Racing will not claim responsibility and/or accept returns based on an individual's personal preference

Product Content:

  • 1 x Exhaust Downpipe

No Instruction, Professional Install Recommended

Cross Reference Number:

  • MR-SSDP-BF82-WC, MR-0610-V2, MRSSDPBF82WC, MR0610V2
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