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Twin Box system - Resonated (Quieter) less cabin noise and keep sporty exhaust note
'this is what our customers are telling us time and time again
exposing the filter to more air and sealing the box against the hood
resulting in the large diameter disc assemblies often weighing less than the original equipment 1-piece cast-iron discs that they are replacing
MK3 Focus ST/RS Oil Control System Heat prevention Twin Box system - ResonatedRemoving the 18lb crankshaft balance shaft assembly from the 2. 0L EcoBoost engine frees up rotating mass and helps to improve engine response. However, removing the balance shaft assembly alone can cause oil starvation issues during high G load corners and extreme driving because of the void left behind in the oil sump and simply installing a balance shaft delete alone can lead to engine damage in certain conditions, due to inadequate engine oil