Will this diffuser scrape on steep driveways or parking lot inclines?

The Garda profile adds minimal extension to the rear bumper line. Check your driveway approach angle and existing clearance at your lowest point before installation—this will determine real-world scrape risk specific to your setup.

Is this functional downforce or cosmetic?

The Garda diffuser is designed for visual impact and complements the rear bumper aesthetics. For measurable aerodynamic downforce at highway speeds, aero diffusers require specific engineering tied to vehicle weight, suspension tuning, and full-body aero integration—verify those details against your performance goals.

What prep work do I need before painting?

Sand the surface with appropriate grit to remove any gloss and ensure paint adhesion. Clean thoroughly to remove dust, then apply your chosen primer and topcoat system according to the paint manufacturer's instructions for best results.