Turbosmart Wastegate Actuator IWG-75 - RENAULT CLIO RS 1.6T - 7PSIThe Clio's standard wastegate actuator provides a relatively weak boost curve, with slow boost build up, and it fails to hold closed as the revs rise, causing a drop off at the top end. Turbosmart's IWG 75 for the Clio RS is performance focused: it has stiffer actuator springs and a larger diaphragm, which helps the wastegate stay closed when it should meaning boost builds earlier in the rev range and hold on right until redline. The result is power