The bullbar is designed to match your truck's paint color automatically.
: After downloading the mod (typically a .scs or .zip file), move it to your ETS2 mod folder, usually located at \Documents\Euro Truck Simulator 2\mod . Painted Trux Highway Bullbar For Scania S/R 1.4...
To use custom colors or fixed textures, you can edit the .dds files (specifically cadre.dds and grill.dds ) found in the mod's folder at vehicle/truck/upgrade/trux/textures . The bullbar is designed to match your truck's