Jason's Mercedes-Benz C63 AMG W204 came to Revhigh after a major engine refresh and some performance upgrades. Powered by the legendary M156 6.3L V8, the car had received reconditioned cylinder heads, updated head bolts, extractors and a set of performance camshafts. However, after having the car tuned elsewhere, Jason wasn't completely happy with how it was performing. Starting With a Dyno Test We put the C63 on the dyno to establish exactly where the car was at. The initial

Liam made the trip all the way from Shepparton to Revhigh for a complete performance transformation, combining a high-flow exhaust system, downpipe upgrade, and VCM OTR intake , finished off with a custom dyno tune . The goal was simple: unlock more power, improve drivability, and make the most of the engine’s potential with a properly matched setup. The vehicle was fitted with a Revhigh heat-shielded downpipe , designed to reduce exhaust backpressure while managing under-bo