DESCRIPTION

Designed exclusively for the BMW G80 M3 and G82 M4 with the S58 engine (2021+ models), this high-flow downpipe replaces the restrictive factory unit to support faster turbo spool, improved throttle response, and stronger mid-to-high range power.

Constructed from durable stainless steel and fitted with an integrated heat shield, it helps reduce under-hood temperatures, protect surrounding components, and maintain consistent exhaust gas flow. The design supports easier installation while keeping the engine bay clean and performance-ready for both street driving and track use.

VEHICLE FITMENT

• Make: for BMW
• Model: for M3, for M4
• Chassis: for G80 M3 / for G82 M4
• Engine: for S58 3.0L Twin-Turbo
• Years: 2021+
• Note: Please confirm your model year and exact downpipe configuration before ordering. 

KEY FEATURES

• S58-Specific Fitment: Designed for BMW G80 M3 and G82 M4 S58 engine platforms to provide proper alignment and clearance.
• High-Flow Design: Helps reduce backpressure from the turbocharger outlet, supporting improved boost response and exhaust efficiency.
• Stainless Steel Construction: Built for durability, heat resistance, and long-term reliability under high-performance driving conditions.
• Integrated Heat Shield: Helps reduce radiant heat, protecting engine bay components and supporting cleaner under-hood temperatures.
• Clean Installation Path: Designed to align with factory routing for a simpler install compared to cutting or modifying stock exhaust components.
• Performance-Ready Appearance: Polished stainless construction with heat-shield styling that suits S58 engine bay builds.

TECH SPECIFICATIONS

• Product Type: Exhaust Downpipe
• Compatible Engine: for S58 3.0L Twin-Turbo
• Compatible Models: for G80 M3 / for G82 M4
• Model Years: 2021+
• Material: Stainless Steel
• Feature: Heat Shield
• Application: High Flow Performance Upgrade
• Installation: Direct Replacement Downpipe

WHAT'S IN THE BOX

• 1x High Flow Downpipe for BMW G80 M3 G82 M4
• 1x Mounting Hardware Set