Remus Valved Cat-Back Exhaust Non-Resonated for BMW 8 Series M8 F92 Competition (2019+) S63B44B V8, Quad 102mm Straight-Cut Chrome Tips, Stainless Performance Catback, OE Valve Control, OPF/GPF Delete Compatible

Unlock the soundtrack your BMW M8 deserves

Elevate your F92 M8 Competition with a premium valved stainless catback that delivers a fierce motorsport tone, sharper response and serious visual presence. Built in Austria with meticulous attention to detail, this system keeps factory valve operation while unleashing the S63B44B twin turbo V8. Expect a deep, rich idle, refined cruising and an exhilarating roar when you put your foot down.

Why enthusiasts choose this upgrade

• Factory valve control retained via OE electronics for comfort to sport at the touch of a button
• Quad 102 mm straight cut, angled chrome tailpipes that fill the diffuser beautifully
• Large bore 84 mm tubing for improved gas flow, reduced restriction and enhanced response
• Full stainless construction with a shot-peened finish for durability and a premium look
• Weight optimised design and precision build quality for an accurate fit
• Crafted in Austria with performance, tone and longevity in mind

Fitment and compatibility

Designed for BMW 8 Series F92 M8 Competition, 460 kW S63B44B, 2019 onwards. This performance exhaust replaces the factory rear section for a true catback upgrade and integrates seamlessly with the car’s driving modes and valve control.

Important notes

• This system removes the GPF OPF. ECU mapping is required to deactivate GPF monitoring to prevent engine management warnings.
• The original BMW part heat protection for tank must be used. OE part number: 51 48 8 060 077.
• Main pipe diameter: 84 mm.

Part number

087020 0000+089618 0500LR+0446 70SG

How it sounds and performs

Expect a ferocious, motorsport-inspired note under load with a refined tone at cruise. The freer flowing design reduces backpressure, helps the engine breathe and enhances throttle response. Customers consistently comment on the bold soundtrack, immaculate welds and perfect alignment of the quad tips.

Installed by the experts

We have fitted this system for multiple M8 owners at MJ Modifications and feedback has been outstanding for sound quality, finish and fit. For professional installation and ECU mapping support, book with MJ Modifications in Warwickshire. Request a quote at info@mjmodifications.co.uk.

Search-friendly terms to help you find it

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