STi - XSIVPSI
Mustang - GR40 GT
The plate on the STi was a transfer from my old 02WRX and it false advertising at this point. though it does shock many of my Mustang friends when I tell them I am running 17.5 PSI when 8 is fairly standard on the kits for the Mustangs.
The Mustang plate is a reference to the Griggs Racing suspension on the car...
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