See also:

Accessories and Modifications
Adding non-dealer accessories or making modifications to the vehicle can affect vehicle performance and safety, including such things as airbags, braking, stability, ride and handling, emissions s ...

That Thing Got a Supercharger?
Yes, the CTS-V does indeed have a supercharged V-8, but you'd be hard-pressed to know it by listening to the engine. Step on the gas and the most noticeable sound is the burbling exhaust, which qu ...

Magnetic Ride Control
The V-Series reaches elite levels of road-holding performance, but also maintains the poise of a luxury car in "regular" driving conditions. The technical enabler of that dual-mode drivi ...