2009-2014 Cadillac CTS-V Performance Mods Discussion, GM Performance parts question in Cadillac CTS-V Series Forum - 2009-2014; As title, what department or company is it?
It made "better grade", "performance oriented" parts, components? or...?
All of their ...
GMPP is a trust worthy brand from GM, they off you upgrades from wheel studs, to swaybars to upper rear arms. Its left overs from their racing department basically. I have their tranny and diff cooler, rear half axles, as well as swaybars, Upper rear arms, wheel studs, and a few GM performance badges for my V1
its a dealership aftermarket part basically that meets their min requiments