Makes your car look amazing new and being improved in grades. Easy to install, just remove the back paper, can be adhesive the sticker easily. The air scoop is just for decoration, NO substantial heat dissipation function. Not only does this vent trim offer functional benefits in terms of air flow, but it also serves as a beautiful decor element that tidies up the look of your car. Engineered to reduce air resistance during driving, improving fuels efficiency while maintaining stability at high speeds perfect for frequent highway commuters and oriented drives.