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Old 05-09-2020, 06:59 PM   #2
DFB FGXR6
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Default Re: Ford Focus engine cover

Plastic engine covers are used for engine bay aesthetics but also to help suppress noise from entering the cabin. Directed injected engines like Ford's EcoBoost's are known for additional noise so these covers are desirable help mitigate this.

Some markets, or even some models in a range, omit the engine cover to save on manufacturing costs. For example, my base model XL Ranger has no engine cover but an XLT does.
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