Product Description: Carbon Look Front Bumper Duct Fin Cover for GLS X167 (2020) (GLS400d can only be installed on AMG line. This is a set of 4 pieces. Although it is a carbon style, you wont be able to understand the power of carbon transfers. This product is a sporty and cool item that makes the carbon interior packaging look good. Mercedes deserve carbon patterned items. <> Attach it with double sided tape. ★This is not an original product. This is an aftermarket part ★Instruction manual not included. Installation support is not provided, so please ask for a professional request if you are difficult. <> The shape may vary depending on the year/grade/use. Please be sure to check the shape of the unit in your car as we cannot confirm this model.