Do these extensions require modification to the factory front bumper?

These are add-on extensions designed to mount to existing attachment points on the front fascia. Before installation, verify your vehicle's specific mounting locations and drill points. Reference your vehicle's service manual or OEM technical diagrams to confirm fastener positions and hardware requirements.

What prep work is needed before painting?

Sand the surface with appropriate automotive sandpaper to ensure paint adhesion, then wipe clean of dust. Apply your chosen basecoat and topcoat following standard automotive finishing procedures. The FRP material accepts single-stage and multi-stage finishes equally well.

Will these affect airflow to the front cooling system?

These extensions add profile to the lower fascia. Monitor your coolant and oil temperatures during initial driving to confirm adequate airflow through the radiator and intake ducting. If temperatures rise, verify that the extensions do not obstruct factory cooling vents or intercooler inlets.