Milltek Sport BMW G8X M3/M4 Axle-Back Exhaust System

Upgrade the sound and appearance of your BMW G8X M3 or M4 with the Milltek Sport Axle-Back Exhaust System.

Designed as a direct replacement for the original rear exhaust system, this performance axle-back system gives BMW owners the ability to enhance the vehicle's exhaust sound and create a more aggressive exhaust tone.

The system is manufactured from 304L Aircraft Grade stainless steel, providing excellent durability and corrosion resistance for long-term use in demanding driving conditions.

This configuration is paired with Milltek Sport JET-115 round carbon-fibre exhaust tips for a high-end performance appearance.

Key Features

• Genuine Milltek Sport performance exhaust
• Axle-back exhaust system
• Designed specifically for BMW G8X M3/M4
• BMW S58 3.0 Turbo applications
• 80 mm pipe diameter
• Valved exhaust system
• JET-115 round carbon-fibre exhaust tips
• 304L Aircraft Grade stainless steel construction
• Designed as a direct replacement for the OE rear exhaust system
• Designed to improve exhaust sound and aesthetics
• E-marked
• UK manufactured by Milltek Sport
• Professional installation recommended

Vehicle Fitment

BMW G80/G81 M3 & M3 Competition

S58 3.0 Turbo

• 2021 and later North American / ROW non-OPF/GPF vehicles
• 2020 and later OPF/GPF-equipped vehicles
• Touring and xDrive models included where applicable

BMW G82 M4 & M4 Competition

S58 3.0 Turbo

• 2021 and later North American / ROW non-OPF/GPF vehicles
• 2020 and later OPF/GPF-equipped vehicles

Included Components

The Milltek Sport system consists of:

• LH Valved Link & Outlet Pipe — MSBM355
• RH Valved Link & Outlet Pipe — MSBM356
• Rear Silencer — MSBM357
• JET-115 Round Carbon Fibre Exhaust Tips — MSTIP244
• OE GPF Adaptor — MSBM326
• Milltek fitting kit — SSXBM1173

Important Fitment Information

Fitment can vary depending on:

• BMW model
• Model year
• G80/G81/G82 chassis
• OPF/GPF configuration
• North American vs. ROW specification
• xDrive/RWD configuration

Please confirm your vehicle's exact specifications before ordering.