Do I need to sand this before painting?

Yes. Sand the surface with appropriate grit to promote paint adhesion, then clean thoroughly to remove dust. This prep step ensures a smooth, long-lasting finish.

What fastening hardware is required for installation?

This diffuser is designed to mount to your vehicle's existing rear bumper structure. Verify your bumper's mounting points and hole locations before ordering, then source fasteners appropriate for your installation method.

Will FRP crack or flex if I bump something lightly?

FRP is engineered to absorb minor impacts without permanent deformation. For extended durability, avoid prolonged contact with road debris and salt, and maintain your finish with regular cleaning and wax protection.