The Chevrolet Corvette ZR1 is considered the most powerful Corvette in history, boasting of an LS9 6.2-liter V8 engine that produces a supercar-worthy 638 horsepower and 604 lb/ft of torque output. German tuning firm, TIKT, thinks that those eye-popping numbers aren’t good enough, and just like any self-respecting tuning house on the planet, they’ve set out to add even more ponies to the mighty American sportscar.

To give the Corvette ZR1 some extra juice, TIKIT unloaded a number of upgrades on the sportscar, including modified cylinder heads, new camshafts, more powerful valve springs, modified compressor ratios, a larger throttle valve, and a custom exhaust system. In addition to all of these, TIKT also improved the Corvette ZR1’s cooling system, making it even more efficient than before.[...]

Source: topspeed