• Rolls Royce were concerned at the time that their cars should be more refined in terms of lower noise and vibration levels, in order to maintain their prestigious position
• A package of modifications was required to improve engine and road noise, yet with an easy to productionise capability

• Benchmarking measurements were made of current vehicles and competitors, to set the targets
• Detailed engineering analysis, including noise path analysis, were made to highlight areas of focus
• Vehicles were converted to simulate specific aspects of the change, and develop performance
• The complete package was prototyped, developed, and endurance tested, ready for production

• A package of new components was developed that made significant improvements to both road noise and engine noise.
• The package was a simple change to implement into production
• Once introduced into production, the improved refinement of Rolls Royce cars was widely recognised

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