Axle Back Milltek BMW 5 Series G90-G99 M5 2024-2025 - Rear muffler after factory resonator - 4x GT115 blued titanium tips

Milltek Sport rear muffler for BMW 5 Series G90-G99 M5

For the BMW 5 Series G90-G99 M5, this Milltek Sport rear muffler replaces the factory rear section and immediately brings the Milltek sound signature, with quick installation.

Technical specifications

• Milltek part number: SSXBM1405
• Part type: Rear muffler
• Configuration: with valves
• Details: Rear muffler after factory resonator - 4x GT115 blued titanium tips
• Tube diameter: 80 mm
• Outlets: 4 GT115 tips, 115 mm
• Tip finish: blued titanium (heat effect)
• Fitting information: With valves - Uses the factory valve actuators - ECE homologation
• Material: aerospace-grade stainless steel
• Homologation: ECE / EC approved
• Manufacturer: Milltek Sport (United Kingdom)

Compatible vehicles

• BMW 5 Series G90-G99 M5 4.4 Twin Turbo Hybrid 727 hp (Sedan, Touring, 2024-2025, with DPF)

Not sure about compatibility with your vehicle? Contact us with your VIN before ordering.

Most frequently asked questions

• And the neighbors in the morning? The valves are controlled as on the factory system: closed and discreet on startup or in comfort mode, fully open in sport mode.
• Homologation: this system is homologated (ECE / EC), a real advantage for driving with peace of mind and passing the technical inspection.
• Fitting: the system uses the factory mounting points. A repair shop typically fits it in one to two hours.

Why choose Milltek Sport?

Milltek Sport designs and manufactures its exhausts in England, with mandrel-bent tubing to preserve the internal diameter and a fit developed on the vehicle. Result: a clean installation with no adaptation, and a tone tuned to stay pleasant for everyday driving.

Further reading

• Valve exhaust system: how does it work and should you keep the valves?
• Exhaust system and technical inspection in France