DPF-Back Milltek BMW 3 Series G80-G81, 4 Series G82: With Silent Intermediate Bypass, Quad GT115 Cerakote Black

Milltek Sport DPF-back exhaust for BMW 3 Series G80-G81 M3 / 4 Series G82 M4

Does the stock sound of your BMW 3 Series G80-G81 M3 / 4 Series G82 M4 leave you wanting more? This stainless steel Milltek Sport DPF-back system is the choice owners ask for most: more presence, a true sound signature and build quality that lasts.

Technical specifications

• Milltek part number: SSXBM1318
• Part type: DPF-back exhaust
• Configuration: with valves
• Detail: with bypass resonator, quad GT115 outlets, black Cerakote
• Tube diameter: 80 mm
• Outlets: 4 GT115 outlets of 115 mm
• Tip finish: black Cerakote (high-temperature ceramic)
• Fitting information: with valves
• Material: aerospace-grade stainless steel
• Manufacturer: Milltek Sport (UK)

Compatible vehicles

• BMW 3 Series G80-G81 M3 3.0 Turbo S58 (M3 and M3 Competition, xDrive, Saloon, Estate, 2020-2025, with DPF)
• BMW 4 Series G82 M4 3.0 Turbo S58 (M4 and M4 Competition, 2020-2025, with DPF)

Not sure it fits your vehicle? Contact us with your VIN (chassis number) before ordering.

Most frequently asked questions

• What about the neighbors in the morning? The valves are controlled as on the original system: closed and discreet on startup or in comfort mode, fully open in sport mode.
• Fitting: the system uses the original 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, using mandrel-bent tubing to preserve the internal diameter and a fitment developed on the vehicle. The result: a clean installation with no adaptation required, and a sound tuned to stay pleasant for everyday driving.

Going further

• Valved exhaust systems: how do they work and should you keep them?