Thanks for posting about this H/B!
I just put two coats on my rear bumper and what a difference. I'm doing all the black on my truck!
Here's a tip.... -- cut the very top of the bottle off and use a sponges style paint brush to apply. It is so much quicker this way!
When you're done, just grab a spice jar from the back of the cabinet to store what's left.
I bought 3 bottles, and after 2 heavy coats I didn't even use 1/4 of the bottle.
Here's some before and after pics...