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This Is How the MG HS Should’ve Left the Factory – Stage 2+
The 2023 MG HS 1.5T delivers comfort, smoothness, and practicality — but from factory the ECU calibration is conservative. Throttle reaction is softer than it could be, turbo pressure builds slower, and the torque curve leaves performance untapped. With Stage 2+ tuning , we optimise ignition timing, boost control, and air–fuel ratios (including oxygen strategy calibration) to bring the engine to life. The difference is immediate: earlier torque, faster response, stronger mid-
Revhigh Performance Tuning
3 days ago2 min read
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