I was taking a look to my break pads, i stepped on the break pedal with the caliper off just to see that the piston on my passenger side didn't came out, I guess is time to replace the calipers, any brand recommendation from Rock auto?

 

Ebay, Brakemotive.

 

I have the pads and rotors, and they really can stop these cars.

 

Just installed Powerstop Z23 caliper, pad & rotor kit from Rockauto.com Most certainly enjoying so far.