This rear diffuser is perfect for Lexus RC Series RC200T and RC350 owners from 2015 - 2018 who want to upgrade their car's look. It's great for those weekend drives or car shows. The diffuser is made of FRP material, which is both durable and light. Although the exact size and weight aren't given, you can expect it to fit well on your Lexus as it's specifically designed for these models. Professional installation is needed to make sure it's set up correctly.