I have begun to research lining the entire body of my 96’ 450. As I look through posts about those who have went this route, I see none that went with black, that look black. They appear very faded black. My stock color is black and I would like to keep it that way. So can someone point me to a product that stays truly black or can something be added to one of more common black kits to make it darker. Per usual, any help is appreciated.