Milltek Cat-Back BMW 5 Series F90 - Post-Downpipe System with Bypass - Quad GT100 Polished Tips - Phase 2 M5 and M5 Competition

Milltek Sport exhaust system for BMW 5 Series F90 M5

Is the stock sound of your BMW 5 Series F90 M5 leaving you wanting more? This Milltek Sport stainless steel exhaust system is the most requested upgrade among owners: more presence, a real sound signature and long-lasting build quality.

Technical specifications

• Milltek part number: SSXBM1227
• Part type: Exhaust system
• Configuration: with valves
• Detail: Cat-back after downpipes with Bypass primary muffler / DPF + Active center H-pipe, quad GT100 polished stainless steel tips
• Tube diameter: 80 mm
• Outlets: 4 x 100 mm GT100 tips
• Tip finish: polished stainless steel
• Fitting information: OEM downpipe fitment (flanged), ECU remap, with valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• BMW 5 Series F90 M5 4.4 Twin Turbo (Phase 2 M5 and M5 Competition, 2021-2024, with DPF)

Not sure whether it fits your vehicle? Contact us with your VIN before ordering.

Most asked questions

• What about the neighbors in the morning? The valves are controlled as on the original system: closed and quiet at startup or in comfort mode, fully open in sport mode.
• Fitting: the system uses the original mounting points. A properly equipped repair shop typically fits it in one to two hours.

Why choose Milltek Sport?

Owner feedback most often points to fit quality and a deep tone that is present but never harsh. This is the hallmark of Milltek Sport, a British manufacturer specializing in stainless steel exhausts.

Further reading

• Valved exhaust systems: how they work and whether to keep them