The V Style Carbon Fiber Rear Diffuser for BMW F80 M3/F82 M4 2014-2018 is an aftermarket automotive part designed to enhance the appearance and aerodynamics of these specific BMW models. This rear diffuser is made from high-quality carbon fiber, which is a popular material for aftermarket automotive parts due to its lightweight and sporty look. The purpose of a rear diffuser is to improve the aerodynamics of the vehicle by directing air away from the rear of the car and reducing drag. A rear diffuser works by creating a low-pressure area behind the car, which helps to draw air away from the car's underbody and reduce turbulence. This can result in improved stability and handling, particularly at high speeds. The V Style Carbon Fiber Rear Diffuser for BMW F80 M3/F82 M4 is designed to fit the BMW F80 M3 and F82 M4 models produced between 2014 and 2018. It is made from high-quality carbon fiber and is designed in a V style, which is a popular and aggressive design style. This rear diffuser comes in three pieces, making it easy to install and allowing for a more precise fit. The V Style Carbon Fiber Rear Diffuser can help to give the car a more sporty and high-performance appearance, while also improving the car's aerodynamics and handling.