This Carbon Creations VIP Rear Diffuser is great for car enthusiasts who want to enhance the look of their 2014 - 2017 Infiniti Q50. It can be used when you're cruising on the highway or showing off at car meets. The diffuser is made of carbon fiber, which is lightweight yet strong. It's a single - piece design that fits all 2014 - 2017 Infiniti Q50 models. Just remember, professional installation is needed.