What does the underbody shield do?
The function of the underbody shield: protecting the engine as well as improving the aerodynamics of the vehicle. The main task of the underbody shield is to effectively protect vital parts of the powertrain and steering system, but this is not the only function of such solutions. via
How much does it cost to fix a splash shield?
What is this? The price for a replacement engine splash shield starts at around $50 for most vehicles. Some larger trucks or SUVs may be more expensive, with original manufacturer parts priced from $50-$125. If you have it installed professionally, you'll also have to pay for labor, which may be $80-$125. via
How important is fender liner?
The primary purpose of these liners is to prevent slush, road salt, and other debris from being kicked up into your wheel wells and potentially even making their way into your engine bay, trunk, or other parts of your car that could cause serious damage. Fender liners come in a wide range of types and materials. via
What is the shield under the front bumper?
It's an Air. A plastic engine splash shield protects the engine chamber from water and dirt. To a small degree, it reduces the aerodynamic drag. The valance is a protective accessory attached to your front and rear bumpers. via