I got a buddy who poweder coats stuff
what color should i do my calipers
and what else can be powder coated in like the engine bay,etc

 

Red is a popular color for calipers. You can powder coat your intake manifold and water pump housing.

 

...throttle body, alt. including the fan and brackets, valve covers, pulleys, lg. acc. bracket, crank hub, hard fuel lines, brake lines, bolts...in other words, just about anything that you can get off of the car.

 

I would say paint the calipers black or some color that goes well with the color of your car.

 

i agree. altho red is the universal color when it comes to calipers, going with a black or another color that atches would be sweet IMO