How do I tell what suspension (shocks) I have installed?

There are two levels of suspension available on the CTS-V. The "stock" suspension is the FE4. The part numbers are:
  • FE4 front shock = 25772236
  • FE4 rear shock = 25752922

    The "optional" suspension is the FG2 suspension. The part Numbers are:
  • The front FG2 shocks are 88962952.
  • The rear FG2 shocks are 88962954.

    You can check the part numbers on the shocks to find out what shocks you have installed. You can also tell by the border on the shock label. See below:


    note the Deashed black border

    Thanks StealthV

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