How to Install NIA | Lexus IS 2021-23 NIA Rear Diffuser

Want a NEW LOOK for your Lexus IS Diffuser bumper extension can be found at: https://niaautodesign.com/products/le... In this tutorial we cover the installation of a NIA Rear Diffuser with Brake Light for the Lexus IS for the years 2021, 2022, and 2023. Our instructions are perfect for at home DIY modifications. -- Made in USA in our Miami factory, all our kits are test fitted to make sure perfect fitment and reinforced making them strong and durable against daily scrapes and bumps. Available Painted in any factory color, arriving at your door steps with all the hardware ready and easy to install. Made out of strong ABS, not cheap urethane, the NIA Splitters will withstand the heat of the road and sun without warping or melting. #lexusis #diffuser #diy