Another Renault Megane  came in for some serious track prep , and we pushed this manual 2008 Megane 2.0L Turbo  to its limits. Tuning this model presented a challenge due to the Sagem ECU , but using WINOLS , we edited the HEX file to raise the stock limiter from 5200RPM to 7000RPM , giving the car extended track capability and maximum performance. Modifications & Upgrades Larger Intercooler, Downpipe & Cold Air Intake  – Optimized airflow and turbo efficiency Removed Throttl