Milltek

Milltek Sport Secondary Cat-Back Exhaust System with Centre Resonator Bypass & Carbon Fiber Trims

Name: Milltek Sport Secondary Cat-Back Exhaust System with Centre Resonator Bypass & Carbon Fiber Trims
Brand: Milltek

Hard installMPN: MTK-SSXBM1321

Set your vehicle to confirm fitment — see full vehicle fitment

From $4,827.84

Where to buy

FCP Euro$4,827.84
Backorder
Free shipping over $49Price confirmed Aug 29, 2026View (opens FCP Euro in a new tab)

Overview

Secondary cat-back exhaust system for BMW M4 (G82/G83) featuring a centre resonator bypass and JET-115 carbon fiber trims. Manufactured from T304L stainless steel for durability and corrosion resistance. ISO9001:2015 accredited and EC-approved with TUV testing certification. Optimized exhaust flow improves performance and efficiency while reducing emissions. Installation requires cutting the OE system.

Specifications

Type: Cat-Back
Tip Style: Carbon fiber

Vehicle Fitment
1 configuration

BMW M4(G82)— Competition
S58
2021

Installation summary

Advanced DIY skills are required for this installation, making it suitable only for experienced mechanics or dedicated enthusiasts with access to a lift. Preparation involves ensuring the exhaust system is completely cool before torquing any hardware, and you must carefully cut the original equipment system to accommodate the new components. During the process, pay close attention to heat shield clearance to prevent unwanted rattling and ensure proper handling of all factory oxygen sensors. Professional installation is ultimately recommended to achieve precise alignment of the carbon fiber trims and prevent exhaust leaks throughout the T304L stainless steel assembly.

AI-generated overview — always verify against the official install instructions.

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