I used Forever Black - Bumper & Trim Cleaner & Reconditioner Kit for my black grille, headlight trim, bumper/side trim, and rocker panels and it looked great even at 3 mos when I sold the car. It's actually a water-based black dye. Got it at Bavarian Auto for about $13/kit - I needed two for all I did. One kit would cover the 2 rocker panels. Less work than painting with satin black paint.Originally Posted by jaylebo