If there's one company that knows a thing or two about tuning GM's products, it's Lingenfelter. The Indiana-based tuning firm has just announced its latest package for the Cadillac CTS-V series, which covers the sedan, station wagon and coupe models. In stock form, the CTS-V's 6.2-liter supercharged V8 churns out 556HP and 551 lb.-ft of torque.[...]

Source: Carscoop Tuning