The Mercedes SL R231 AMG MOPF Rear Bumper Diffuser is a genuine performance part designed specifically for Mercedes-Benz vehicles. This rear bumper diffuser, with the manufacturer part number A2318855400, adds a sleek and sporty touch to the car's exterior styling. Perfect for car tuning and styling enthusiasts looking to enhance the overall look of their vehicle, this high-quality diffuser is sure to make a statement on the road.