I upgraded my master cylinder over the summer and created a detailed, step by step video guide showing how to replace and / or upgrade the master cylinder on your 5th generation Camaro.
CLICK HERE FOR THE VIDEO This is an upgrade to my stock 2012 V6 Master Cylinder to the larger ZL1 Master Cylinder to complement my ZL1 brake upgrade (video coming soon).
I would recommend that you bench bleed the new master cylinder to remove as much air as possible from the system. I show how to properly bench bleed the master cylinder in the following link:
Click Here
Get it your own master cylidner here!
http://amzn.to/2FONpts
5th Gen Camaro (2012-2015) ZL1 Master GM Part Number: 22956541