For 15-21 Benz W205 C43 Sedan Rear Bumper Difffuser + Chrome Exhaust Tips. Condition: 100% Brand New. Product Material:High Quality ABS Material. Color:Carbon Fiber Style. QC test facility to ensure good quality. Easy installed and No modification needed, double side Automotive tape at the back. Rear Bumper Diffuser Lip With Chrome Exhaust. This item doesn’t come with manual installation. Comparison position And Clean the location of the installation with rubbing alcohol before proceeding. (make sure to remove any grease, wax or dust etc). Please ensure that the product completely fits before proceeding with installation. Remove the high strength double-sided adhesive from the back of the plate. In the case of a relatively low temperature, heat installation location, and plate with a hair dryer or a heat gun on low setting. Carefully place the product in desired location and press down for about 1-2 minutes, Note: do not wash your car for 24-hours. The adhesive should be cured after 12-hours. If the package contains self-tapping screws, tighten the self-tapping screws in turn. (Some Item Don’t Need Hardware). The installation is complete. Why Do We Need To Install The Rear Diffuser? For the appearance of the car to add dynamic Upgrade the visual experience. With Led brake lights, the brakes are more visible and the driving is safer. More stable to increase the grip, the bottom of the car turbulence orderly export, reduce the bottom air lifting force on the body. If there is any problem with our products, pls feel free to contact with us, we will try our best to help you solve it, thanks. Please do not operate anything else. Your account if you accumulate 4 unpaid’s total. Otherwise you are not pleased, simply let me know via e-mial rather than leave low score, and I will do our best to solve any problem. We believe that everything could be solved by communication. We will solve it for you. Sometimes have a little delay due to the weekends or holidays.