G2 Caliper Paint System. There's nothing else like it. When you're done with the steps, the paint leaves this rubbery coat. It'll surive any weather condition and remain a glossy color.
My friend applied some to his RSX a few years ago, it still looks like he just did it.
Here's a stock photo.
When you're painting, it's important to clean your calipers with a BBQ grill brush. You have to knock all the garbage off of it.