A bash plate can protect the engine and prevent the stones from hitting the engine frequently. The engine service life will be prolonged without this damage, so the service life of your car will be prolonged correspondingly. The Machter Autoparts Pty Ltd Bash Plate Sump Guard Fit for Nissan Navara D22 2002-2015 0.4cm Underbody Protect is made of steel; it is able to reduce noise and make the car more comfortable while driving. Most of the noise can be filtered out with a bash plate equipped; it also allows the chassis to be connected more tightly and enhances ride comfort.