What is a front lip and why would you want one?

What is the reason for all the interest in this part of a car?

There are two important reasons. One is practical and the other is cosmetic.

From a practical point of view, a vehicle that moves through the air sometimes acts as an airplane. That is, the air flow under a car or truck travels a slightly shorter distance than the air flow over the top of the vehicle. This difference causes a pressure difference, with the low pressure at the top of the vehicle.

This means that there is more pressure to try to lift the car than to keep the car on the road. The weight of the car is enough in most cases to overcome this tendency to lift. However, move the car fast enough and thereby increase the airflow and interesting things can happen. Just like an airplane takes off, enough speed equals enough lift and you are airborne.

What’s good about an airplane is disaster for a car. If you ever look at pictures of car races, you can see a picture of a fast-moving race car that suddenly lifts up in the front and sometimes completely turns upside down.

The front spoiler or lip or air pond is designed to stop this dangerous airflow, on a race car or an exotic car that can handle very high speeds.

The second reason why these devices are added to cars is for styling. People like to feel like they are driving a fast car. They want the look even though they will never push the car to speeds that require such an aerodynamic device. If you look at most new cars, you will see some type of extension under the front bumper. It’s for the design and not for holding down the front of the car.

Since not all cars come with this look, there is now a large aftermarket that designs and builds lips, spoilers or air dams for people who want to dress up their pride and joy.

Is everything positive? No. There are a few things to keep in mind. First, this is extra weight on the front of the car. It should not make a difference, but if you add a very heavy weight to the front, you can change the handling characteristics of a car. Second, you have now lowered the distance from the front end to the sidewalk. On a smooth road, there should be no problems. But hit a dip, or a high parking block, or even a steep driveway and you may find that your front is dragging in the ground.

The last precaution is the installation. Most aftermarket products like this one require some expertise to fit it properly. If you do not have this experience, find a professional for the installation.

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