Remus BMW G90 & G99 M5 Axle Back Exhaust System

The Remus Axle Back Exhaust System for the BMW G90 & G99 M5 represents the latest innovation from one of Europe’s most renowned exhaust manufacturers. Engineered specifically for the S68-powered M5, this precision-built system delivers a deeper, more dynamic exhaust tone while enhancing flow efficiency and reducing back pressure compared to the restrictive OEM silencer. Designed for performance enthusiasts who value both craftsmanship and sound refinement, this system is fully EC type-approved for road use.

Key Features

• Optimised Flow & Power Delivery – The redesigned rear silencer improves exhaust gas flow, reducing back pressure and allowing the twin-turbo V8 to breathe more freely.

• Lightweight Construction – Manufactured from high-grade stainless steel, the system offers significant weight savings over the factory unit.

• Premium Tailpipe Options – Choose from a range of 102mm angled tailpipes (shorter 145mm length) with adjustable spherical clamp connections for perfect alignment:

  • 0446 70SGR – Polished stainless steel

  • 0446 70SGBR – Black chrome finish

  • 0446 70CSRX – Carbon fibre with titanium internals

  • Optional: 0448 70GT – Titanium GT finish (requires ADOPT1S-4 adaptor)

  • Optional: 0448 70GTB – Black titanium GT finish (requires ADOPT1S-4 adaptor)

• Precision Fitment – Tailored for direct fitment to the BMW G90 M5 Saloon and G99 M5 Touring, ensuring seamless installation using OEM mounting points.

• European Type Approval (ECE) – Fully compliant with EC regulations, offering performance gains without compromising legal standards.

Specifications

• Part Number: 082025 0500LR

• Tailpipe Diameter: 102mm

• Tailpipe Length: 145mm

• Construction: Stainless steel with optional carbon or titanium finishes

• Vehicle Compatibility: BMW G90 M5 Saloon & BMW G99 M5 Touring (S68 engine)

Why Choose Remus?

Remus exhaust systems are developed and manufactured in Austria using advanced production techniques, ensuring exceptional build quality and durability. Each system is acoustically tuned for a refined yet aggressive tone, perfectly complementing the power and prestige of the G90/G99 M5. Whether paired with polished stainless, black chrome, or carbon fibre tailpipes, this exhaust not only enhances performance but also transforms the car’s rear aesthetics.

Bring out the full potential of your M5 with the unmistakable sound and precision engineering of Remus.

Unless explicitly stated otherwise, all products sold by R44 Performance Limited are designated RACE ONLY and are solely for competition or off-road use limited to racing formally sanctioned by a recognized racing organization. Any other use, including recreational off-road use, may violate local, state, and Federal laws. R44 Performance Limited does not implicitly or explicitly confirm the legality of using any products it sells on public roads; that is entirely the responsibility of the consumer.

It is the responsibility of the customer to check with all federal, state local and environmental laws before ordering and installing a product. R44 Performance Limited is not responsible for any fees, fines or costs that a customer may incur as a result of failing to check with federal, state, local or environmental laws before ordering and installing a product.

We get a large number of custom orders and requests everyday, so as a result it is not always possible for us to keep every item in stock at all times in our warehouse. If you require the item urgently please contact our sales team here to check the stock before you make your purchase.

We totally understand if you're not certain a part will be compatible with your car, so we highly recommend contacting us here with your query. Our friendly sales team will then be in touch to confirm if this part is the correct part you are looking for.

All in stock products ship the same day if ordered before 2pm GMT

For out of stock items we will contact you with an estimated wait time if not otherwise specified above.

We offer worldwide shipping on all products. If upon receiving your product you wish to return; we offer a 30-day returns policy. For our in-depth returns information please follow the link. "R44 Returns Policy

All of our products come with a standard warranty of 1-3 years. This is dependant on the type of product however. For more details please see our warranty page here.