Mismatched caliper pistons???

Don't worry about it.
The car is never going to have another brake job done to it, in it's lifetime.

That's kind of cynical don't you think? Maybe it's gonna be a daily. :dontknow: ;)

I've done 2 brake jobs on my Challenger so far. One when I first bought it and went through everything to put it on the road (and upgraded to 11.75" rotors), and the 2nd when the pads wore out after about 45k miles. With any luck I'll put another 45k on it and need to do another one, although it will take longer this time around since I'm mostly driving my Duster now.

Of course, I do have to say that I didn't change or rebuild the calipers for either of those, and the actual calipers on the car might very well be original to it.