The engine for the Cadillac CTS-V is the supercharged 6.2-liter V-8, code-named LSA, which is based on the LS9 engine from the ZR1 Corvette. So much of the CTS-V is special. There is always more to be desired and the industry has a lot of power adders to this platform. Late Model Domestics has proven recipes to increase reliable power on your CTS-V.