M177 Ported Heads | YPG Motorsport BMW M2 "name":"Stage 4 Turbo Upgrade M177-178

"name":"Stage 4 Turbo Upgrade M177-178 Tuner Package"

We tune — our engineers calibrate your file against your selected stage

Mercedes-AMG featuring the M157 engine — ECU Reflash ECU calibration delivered via YPG Flash

YPG offers M177 forged internal kits and complete crate engine builds

M177 Ported Heads | YPG Motorsport BMW M2 "name":"Stage 4 Turbo Upgrade M177-1785 Axis CNC Ported Intake & Exhaust Ports Five Angle Valve Job New OEM Valve Seals No core Exchange needed. The M177 Ported Heads can significantly improve engine performance in several ways: 1. Increased Airflow: The porting process involves reshaping and smoothing the intake and exhaust ports in the cylinder heads. This allows for improved airflow into and out of the combustion chamber, resulting in better combustion efficiency and increased power