The best floor mats in the world and why, product review with Scotty Kilmer. These new floor mats help keep your car’s floor clean and require low maintenance. How to install floor mats and liners in your car. How to clean floor mats. Custom floor mats versus universal floor mats, which is better? Everyone needs these type of floor mats. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years.