Remus Rear Silencer Left/Right with Integrated valves using the OE valve control system with 4 Carbon tail pipes Ø 102 mm angled, Titanium internals - 5 Series F90 M5 441 kW S63B44B 2018-

Unlock the soundtrack your BMW M5 F90 deserves

Give your 2018-on BMW M5 F90 with the S63B44B 441 kW twin-turbo V8 the voice, presence and flow it was built for. This premium valved axle-back setup delivers a motorsport-inspired tone on demand while remaining refined on the cruise thanks to full integration with your factory valve control.

Why enthusiasts choose this upgrade

• Track-bred tone with everyday manners. Quiet when you want it, fierce when you do, all via your original in-car controls.
• Quad carbon-fibre outlets, 102 mm slash-cut, with titanium inner sections for a purposeful, high-end finish.
• Large-bore 84 mm pipework for improved gas flow and reduced restriction.
• Full stainless construction with a media-blasted finish for superb durability and a premium look.
• Weight-optimised design and precision fit tailored to the F90 chassis.
• Crafted in Austria by specialists for exceptional build quality and longevity.

Fitment and compatibility

Designed specifically for BMW 5 Series F90 M5 models from 2018 onwards running the S63B44B unit rated at 441 kW. Compatible only with cars equipped with a petrol particulate filter, also known as GPF or OPF.

Key details

• Manufacturer: Remus
• Configuration: Left and right rear boxes with built-in valve control using the vehicle’s original actuators
• Outlet style: Four carbon-fibre tips, 102 mm, angled slash-cut with titanium internals
• Tubing size: 84 mm
• Material: Full stainless steel, media-blasted finish
• Country of origin: Austria
• Part number: 089618 0500LR+0446 70CS

Real-world benefits

Our team at MJ Modifications has installed this system on customer M5s and feedback has been consistently positive. Owners love the deeper idle, crisp upshifts, and rich V8 character under load, while appreciating the subtle manner on motorway journeys. The combination of carbon tips and titanium inner cores elevates the rear aesthetic, and the freer-flowing design helps the S63 breathe more easily for sharper throttle response.

Popular search terms this product matches

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Fitting and support

Professional installation recommended. For fitting, choose MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Important note

For OPF/GPF-equipped vehicles only.