Scorpion Exhaust Tunnel Brace For BMW F80 M3 & F82/F83 M4

The Scorpion Exhaust Tunnel Brace for the BMW F80 M3 and F82/F83 M4 (SBM073B) is a precision-engineered chassis upgrade designed to replace the restrictive factory brace with a stronger, freer-flowing alternative. This tunnel brace provides the additional clearance required for larger bore exhaust systems while maintaining the strength and rigidity of the OEM part.

Crafted in the UK from high-grade stainless steel, the Scorpion tunnel brace ensures long-term durability and corrosion resistance, even under demanding conditions. Whether paired with a Scorpion performance exhaust or fitted as a standalone replacement, it offers perfect fitment and peace of mind, protecting vital underbody components while supporting structural integrity.

Key Features:

• Compatible with BMW F80 M3 (2014–2018) & BMW F82/F83 M4 (2014–2020)

• Provides essential clearance for larger bore exhaust systems

• Reinforces underbody structure while maintaining OEM rigidity

• Manufactured from high-quality stainless steel for durability and strength

• Precision-engineered in the UK for perfect fitment

• Designed, developed, and manufactured in the UK since 1992

Compatibility:

• BMW F80 M3 (2014–2018)

• BMW F82 M4 Coupe (2014–2020)

• BMW F83 M4 Convertible (2014–2020)

Protect and strengthen your BMW M3 or M4 with the Scorpion Exhaust Tunnel Brace – a durable, stainless steel upgrade that ensures proper clearance for performance exhaust systems while maintaining chassis rigidity.

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.