BMW G8X M2 / M3 / M4 Exhaust Crossover Pipe (S58) - Boosted Engineering

Enhance the sound, flow and character of your S58-powered BMW with the Boosted Engineering Exhaust Crossover Pipe.

Designed for the G87 M2, G80 M3 and G82/G83 M4 platforms, this upgrade improves exhaust flow and pulse balance while delivering a sharper, smoother and more exotic exhaust tone compared to the factory system.

Expect increased exhaust volume, improved sound character and a more responsive driving experience, particularly under load and during gear changes.

Suitable for stock and upgraded turbo applications.

Benefits

• Improved exhaust flow and pulse balance

• Sharper and more refined exhaust tone

• Increased exhaust volume and sound character

• Reduced exhaust restriction

• Improved throttle response

• Suitable for stock and upgraded turbo applications

Construction

• High flow stainless steel design

• Precision TIG welded assembly

• Performance crossover configuration

• Direct bolt-on fitment

Tuning Information

No tuning is required for installation.

Additional performance gains may be achieved with appropriate ECU calibration.

Compatibility

Suitable for:

• BMW G87 M2

• BMW G80 M3

• BMW G81 M3 Touring

• BMW G82 M4

• BMW G83 M4

Please confirm compatibility prior to purchase.

Important Information

This product is intended for high performance applications.

Professional installation is recommended.

The following are typically required to run this kit at intended output. Boosted Engineering can supply or advise on all of them.

• ECU tune (custom)Boosted Engineering supplies base map
• Upgraded fuel systemInjectors, fuel pump — spec varies with output
• Upgraded ignitionR35 coilpack conversion recommended
• Upgraded clutchTwin-plate for higher-power builds
• Oil cooler kitRecommended for sustained high-load use
• Upgraded axlesFor 350+ kW builds

The Street Kit is designed for daily-drivable turbo builds with reliable, responsive power delivery. The Race Kit is oriented toward circuit and drag use where higher output and modular servicing are priorities.

The kit is designed for bolt-on installation in a suitably-equipped workshop. Installation is available at our Carrara QLD workshop, or through our trusted partner network in most metropolitan areas.

Approximate installation time — 20 to 30 hours depending on configuration and supporting work.