Justin show how to install a clean, black matte overlay piece under the backlight on a Porsche. The reason for the overlay is the client didn't want to pay the hardware removal fee. This means having to install an overlay piece without coming up short and overstretching which is what you will learn in this video. precision line, design line, squeegee, buffer, heat gun, masking tape, knife, blade, safe box index: back bumper - porsche series - knifeless tape tags: back bumper, precision line, black matte, porsche, hardware removals