ADRO TESLA MODEL Y DIFFUSERA15A20 1301 The ADRO carbon fiber rear diffuser was handcrafted using only the highest quality real carbon fiber to ensure that it's the lightest and strongest diffuser that you can get for the Model Y. It's also engineered to decrease drag and increase airflow underneath the car, allowing you to potentially extend the range of your Model Y. You can also pair it with the rest of ADRO's full carbon fiber Model Y body kit to get the most exotic looking