I mostly do autocrossing and track days, but have plans to eventually race a '90 crx si in ITA...

Right now I'm getting a mushy pedal...
Are their other options for master cylinder replacements, or should I go with Honda's direct replacement?

Brakes upgrades are currently:
SS lines, DOT 5 fluid, cryogenically treated front rotors, & Porterfield R-4S

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-emwavey