Rear Diffuser

Upgrade your 2008-2009 Pontiac G8 GXP with the Extreme rear bumper diffuser. Crafted from premium carbon fiber, this component features a UV-resistant clear-coated finish for lasting durability and a genuine motorsport aesthetic. Its lightweight yet strong construction aids in rear aero management by channeling underbody airflow to reduce drag and increase downforce. The installation process is straightforward, utilizing pre-drilled mounting holes that align with factory mounting points, ensuring a direct bolt-on fitment with no cutting or drilling required. A complete hardware kit, including all necessary fasteners and an installation guide, is provided for a hassle-free experience. The typical installation time is under one hour. This diffuser is compatible with all trim levels of the 2008 and 2009 Pontiac G8.