Sportier Appearance. Let your car stand out from the rest of the crowd by installing this Shark Fin Rear Diffuser. This accessory’s unique shark fin style adds a more aggressive and sportier look to your car that no one can ignore. Aside from the enhanced appearance, this rear diffuser also helps improve your vehicle’s aerodynamic performance by reducing air drag and adding more downforce. Durable Construction. For long-lasting performance, this rear diffuser is manufactured using polypropylene. This material comes with high flexural strength qualities that enable the rear diffuser to simply flex or bend instead of cracking when facing extreme stress or pressure. Also, this black rear diffuser is shipped unpainted, allowing you to coat it with any color you want. Easy to Install. This rear diffuser is easy to install. With their accurate fitment, you can simply mount it to your vehicle’s existing points without doing any complicated modifications. However, before installing this product, please paint it first to avoid any mess. Application. This Shark Fin Rear Diffuser is designed to fit all 2015-2023 Dodge Challenger GT and SXT models.