RACING LAB EXHAUST FOR G87 M2 GT4 Z PIPE

The RacingLab GT4 Z Pipe is an advanced upgrade based on the GT4 mid-pipe. It is engineered to optimise exhaust pulse interaction in the S58 twin-turbo platform, delivering improved performance and a cleaner exhaust note.

Designed to enhance scavenging efficiency, turbo response, and reduce backpressure, the RacingLab GT4 Z Pipe provides noticeable power gains and a refined exhaust tone. Ideal for enthusiasts running Stage 3 or higher builds.

Key Benefits

• 25–30% improvement in scavenging efficiency, stronger negative pressure than traditional X-pipes
• 10–15% faster turbo response, quicker boost build and sharper throttle response
• 8–12% reduction in backpressure at high RPM, delivering more stable power delivery
• 10–20hp gains depending on setup, especially noticeable on Stage 3 or higher builds
• Cleaner and more refined exhaust note, reduced turbo interference with sharper high-frequency tone

Compatible Vehicles

• BMW G87 M2