.This is our tried and tested tune for an Mercedes Benz C63 / C63s. These tunes were designed on a Dynojet dyno and tested in the real world! A Windows computer is required to utilize the RK-Tunes flash software. Check FAQ section for windows device recommendation.KEY FEATURES:⦁ Increased boost pressure⦁ Top speed governor removed⦁ Increased RPM rev limit⦁ VANOS cam timing adjustment⦁ Improved throttle response⦁ Increased valvetronic valve lift⦁ Ignition timing enhancements⦁ Air/Fuel Ratio enhancementsOPTIONS:⦁ Fuel - Selectable fuel octane rating (91, 93)⦁ Burble - Emits flame and backfire when lifting off throttle. Only suggested for catless exhaust systems.⦁ Rear O2 Sensor Delete - If you are running aftermarket headers please select O2 Sensor delete. We will remove all coding associated with rear O2 sensorsPERFORMANCE SPECS BASED ON MODIFICATIONS:80-100+ WHP80-100+ FT/LBS TQ
