I have 2, v2s in mind. Similar builds and hoping some experienced folks can chime in 
First is a 2012 sedan 85k miles. grip tech 2.38, 2 inch headers,no cats, flex fuel, id850s, weapons x front heat exch. 90mm TB, air raid Intake with green filter. f14 deep concave wheels. new tire, new magnarides. said to make 650 whp which appears to be impossible in my research done on here.. 33k Its on Edmonds in Woodbury MN
Second.
2010 CTS-V Sedan 72,500 Miles 38k
Tuned by Rick Crawford.
Car has been 10.20s
ZL1 lid and brick 12 an fitting
C&R Heat Exchanger Expansion Tank Pierburg CW100-3 pump
Mighty Mouse Catch Can
2" Long Tube Headers and
3" X-Pipe
Innovators West 8 Rib Harmonic Damper and 9.1" Pulley Ring
Griptec Pulley Kit with Hub Black 2.55
Metco 100mm Idler Pulley
Lingenfelter Isolator Coupling
Lingenfelter Idler Bracket
Lingenfelter 160 Thermostat
DSX Flex Fuel Kit
Dual DW300C Fuel Pump
FID 1300cc Injectors
BTR Stage 2 Cam Kit
Aeroforce Gauge with Wideband
Aeroforce Vent Gauge Pod
Trackspec Hood Vent
Borla Sport Exhaust
Carbon Fiber Alcantara Steering Wheel.
The first one is 30 mins away 5k less but still seems respectable for the price..
The second one is 4 hours one way has less miles, older, but more mods..
Thoughts?
First is a 2012 sedan 85k miles. grip tech 2.38, 2 inch headers,no cats, flex fuel, id850s, weapons x front heat exch. 90mm TB, air raid Intake with green filter. f14 deep concave wheels. new tire, new magnarides. said to make 650 whp which appears to be impossible in my research done on here.. 33k Its on Edmonds in Woodbury MN
Second.
2010 CTS-V Sedan 72,500 Miles 38k
Tuned by Rick Crawford.
Car has been 10.20s
ZL1 lid and brick 12 an fitting
C&R Heat Exchanger Expansion Tank Pierburg CW100-3 pump
Mighty Mouse Catch Can
2" Long Tube Headers and
3" X-Pipe
Innovators West 8 Rib Harmonic Damper and 9.1" Pulley Ring
Griptec Pulley Kit with Hub Black 2.55
Metco 100mm Idler Pulley
Lingenfelter Isolator Coupling
Lingenfelter Idler Bracket
Lingenfelter 160 Thermostat
DSX Flex Fuel Kit
Dual DW300C Fuel Pump
FID 1300cc Injectors
BTR Stage 2 Cam Kit
Aeroforce Gauge with Wideband
Aeroforce Vent Gauge Pod
Trackspec Hood Vent
Borla Sport Exhaust
Carbon Fiber Alcantara Steering Wheel.
The first one is 30 mins away 5k less but still seems respectable for the price..
The second one is 4 hours one way has less miles, older, but more mods..
Thoughts?