So what would you guys do to "restore" the old primer color on the underside? Would you tint something and add a flatening agent or just use an epoxy primer? I want something that would be easy to clean if I happen to run through a mud puddle or something else! My car is all new everything underneath so I'm starting on a clean slate. The more I'm reading this post, the more I want to bring the car back to stock and not have the entire undercarriage painted body color.
