Some of them can be particularly soft in their speech and are barely audible but we do not mind straining to catch the words because in the otherwise high decibel environments that we live in, a quiet moment is very welcome. They will shine through at all times. If the tail lights are dim then a bit of heavy spray may be able to conceal them altogether for a while and the driver of the car following yours can easily make an error thinking that you have increased the speed and gone ahead. When you drive the car at night there is an analogous situation that unfolds. Then immediately the soft spoken manner becomes a huge disadvantage and what you need at the moment is someone who can holler at the top of their voice. To use the classic example of needing to let everyone know fog nozzles there was a fire. You can see them at . The aftermarket tail lights such as the Altezza tail lights do not cost a lot and give you great value for your money. When the traffic is less and the speeds are relatively low even a dim tail light will suffice and other drivers on the road will know of the presence of your car. And if for example there is heavy rain falling and there is a spray rising from the spinning of the wheels of the car then the driver of the car following you will have the eyes on your tail lights.. But if the visibility is not good say due to a fog and the traffic is fast as on an expressway, then suddenly you need bright tail lights because the dim ones may go unnoticed. All you will be able to see are the tail lights. At that time the safety of your car and that of the car following you hinges a lot on the quality of the tail lights. Everyone likes a soft spoken person with a dulcet voice that is music to the ears. But big bright tail lights will not let that happen. At high speeds when the visibility is not good you do not see much of the car ahead of you at all. But now imagine this person had to make you quickly aware that you were facing imminent danger.