The most major modification to the car was taking off of the supercharger.

对汽车的最主要的修改是离合增压器。

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For car safety basic without influence is sound modification.

对汽车安全性基本无影响的是音响改装。

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For car safety basic without influence is sound modification.

对汽车安全性基本无影响的是音响改装。

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