Smith-02

front rotors are 22mm thick

rear rotors are 10mm thick

brakes are the same as plain jane impreznoid

Scott-EP

Changing to 2 piston calipers won't do much for fading other than them being bigger and soaking up some heat. Its all about the modulation. Even if your brakes feel good, if you swap to an ITR master cylinder and dual piston calipers, you will notice a big difference.

rudebwoy

I have everything you just mentioned. its just not enough brake for the driving I do.
the track here is so short there is not enough time to stop without killing the brakes, trying to stop from 125mph I brakes are usually red hot after one 1/4 mile pass. cross drilled rotors are garbage I changed them too often because they crack accross the holes.

anyways I tested the wrx calipers, and they almost fit, only 1 mm off they would work if I drill the caliper holes bigger they will bolt to the civic bracket, but they won't work using the wrx brackets.
so to listen to what philstubbs said I will not bother with this setup, if I run any faster this year I will get a chute installed.

Scott-EP

somehow I didn't notice that you were only drag racing. For you to stop better you will need bigger rotors. Multiple pistons are more for road racing/auto-x