General Motors’ Heavy Duty pickups from Chevrolet and GMC just got a bit more exciting thanks to the folks over at Whipple Superchargers. The aftermarket horsepower experts have just released a ...

Just like the Silverado 1500 before it, the fourth generation is available with 5.3- and 6.2-liter V8 engines. The biggest change is direct injection over the previous multi-port injection system, and ...