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Remus BMW G20 G21 G22 Rear Sport Exhaust Silencer (M340i & M440ix)

Regular price £1,481.15 GBP
Regular price £1,645.72 GBP Sale price £1,481.15 GBP
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exc. VAT £1,234.29 GBP
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The REMUS sport exhaust for the BMW 3 Series G20 G21 M340i and BMW 4 Series F22 M440i xDrive offers a significant increase in performance and torque due to reduction of back pressure and flow optimisation. Less weight and the well-known sonorous REMUS sound are additional features, which distinguish the REMUS sport exhaust from the stock exhaust.

During testing and as part of Remus' extensive R&D process the Sport axle-back system saw gains of +7.6 HP / + 26.2 Nm while also offering a weight saving of 2.8 kg!

The system includes an additional original BMW actuator and a Y-cable for connecting both actuators with the onboard electronics of the vehicle. The activation of the valves is carried out using the original vehicle onboard electronics.
The use of racing products and products which do not have EC approval is generally not permitted on public roads.

When fitting REMUS sports silencers, cat-back systems and cat replacement pipes designed for use on closed tracks, it is advantageous to carry out an ECU remapping, in order to exploit the optimum performance of the exhaust system and to prevent the check engine from lighting up.

Alternatively, you may be interested in the Remus BMW G20 G21 G22 Rear Racing Exhaust Silencer (M340i & M440ix).


To complete a REMUS RACING Cat-back-system, you will need the following additional parts:


  • Aggressive racing sound
  • Shot blasted surface, 100% stainless steel
  • Performance increase, low back pressure
  • Lightweight construction
  • Perfect shape and fitment
  • Handmade in Austria
  • 24 months warranty


Tube diameter

  • Original tube Ø 70 mm
  • REMUS tube Ø 76 mm

Please Note: This Remus exhaust is built for cars equipped with OEM OPF/GPF. For vehicles without OPF/GPF, we cannot confirm compatibility. 


  • BMW 3 Series G20 G21 M340i(x) (2020+)
  • BMW 4 Series G22 M440i xDrive (2021+)


To ensure the part(s) you have ordered fits your vehicle, we run a compatibility check prior to dispatch. We can do this either using your registration number(UK) or the last 7 digits of your VIN. Simply enter your car details prior to checkout.


085020 1500


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2 Year Remus Warranty (Non-Transferable)

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