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.