These mirror covers replace the existing ones on your car. Featuring the M3/M4 look these mirror covers are sure to add an aggressive touch to your G20 ! Simply remove the original ones and pop on these carbon fiber ones. These mirror covers are made with real carbon fiber featuring a 2x2 weave giving your ride a sinister look. These mirror covers are coated with UV resistant glossy clear coat to prevent from fading or yellow-ing.