17x9.5 wheels with 275/45/17 tires will fit fine. I have the OE Wheels C6 vette wheels on my TA. I don't think lowering the car will require adapters.
2002 Formula-black, auto, Slp lid, Loudmouth 1 exhaust
1999 TA-pewter, auto, SLP lid, Flowmaster, UMI SFC, SLP stb, C6 vette wheels