BMW G90 / G99 M5 Race Downpipes

BMW G90 / G99 M5 Race Downpipes

Unlock more sound, sharper response, and improved exhaust flow from your BMW G90 / G99 M5 with our Race Downpipes for the new S68-powered platform. Designed as a complete primary and secondary downpipe upgrade, this system replaces the restrictive factory catalytic sections to help the twin-turbo 4.4L V8 breathe more freely for a more aggressive exhaust note, faster turbo spool, and stronger overall performance.

Available in both Race and 400 Cell Catted configurations, this system gives G90 / G99 M5 owners the flexibility to choose the setup that best fits their performance goals. The Race option is built for maximum exhaust flow and the most aggressive sound possible, while the 400 Cell Catted option offers improved flow over stock with a more refined setup for customers looking to reduce the likelihood of a check engine light.

Key Features

• Available in Race and 400 Cell Catted options

• Complete primary + secondary downpipe system

• Designed for the BMW S68 4.4L twin-turbo V8 platform

• Fits G90 M5 Sedan and G99 M5 Touring

• Helps reduce exhaust backpressure and improve exhaust flow

• Promotes faster turbo spool and sharper throttle response

• Delivers a more aggressive and pronounced exhaust tone

• OEM-style fitment with factory-style mounting locations

• Thermal mesh wrapping for improved heat management

• Integrated flex sections to help reduce stress and vibration

• Precision-built for high-performance street and track applications

Options

Race Downpipes
For customers looking for maximum flow, sharper turbo response, and the most aggressive exhaust note possible.

400 Cell Catted Downpipes
A more refined performance option that improves exhaust flow while helping maintain better drivability for customers who want a catted setup. The 400 cell catalytic option is designed to help reduce the chances of a check engine light compared to a full race configuration.

Applications

• 2025+ BMW G90 M5

• 2025+ BMW G99 M5 Touring

Why Upgrade?

The factory exhaust system on the G90 / G99 M5 is designed with emissions and sound restrictions in mind. Upgrading to performance downpipes removes some of the most restrictive sections in the exhaust path, helping the S68 engine breathe more efficiently while increasing sound, improving turbo response, and enhancing the overall driving experience. Whether you choose the full Race setup or the 400 Cell Catted option, this is one of the most effective upgrades for unlocking more character from the platform.

Important Note

Race version is for off-road / race use only.
The 400 Cell Catted option is intended for customers looking for a higher-flow catted setup, but emissions compliance may vary by region.