Car Install Stuff pray-in bedliners and Custom Spray Guard Liners can protect your truck’s bed and can also enhance the overall look of your vehicle. We use the latest material and technology for spray in bedliner application onto trucks beds, trailers, boats, bumpers, step bars, grilles, grille guards, fenders, wheel wells, tool boxes, undercarriage, speak boxes, trunk liners, roll bars, light bars, and even your entire vehicle.