Do I need to drill new holes or modify my factory fenders to install these?

No. These panels are engineered to use your vehicle's existing factory mounting points. Verify hole alignment with your OEM fender before final fastening, then bolt them down with standard fasteners.

Can I paint these right out of the box, or do I need to sand and prep first?

Sand and prep the surface before applying your chosen finish. The raw FRP condition means the panels are clean and ready to accept paint, but surface preparation ensures proper adhesion and a smooth final result.

Are these panels flexible, or will they crack if I bump something during installation?

FRP panels are rigid when installed correctly. Handle them carefully during unpacking and mounting to avoid shipping damage. Once bolted to the vehicle at factory points, they're secured and won't flex under normal driving conditions.