Turbochargers and Superchargers Adding a turbocharger or supercharger to your car is another popular performance modification. ... 1 in illegal mods), however,turbochargers and superchargers are legal as long as they don't cause your car to fail your state's emissions check or safety inspection....
The 2019 models of the GMC Sierra and Chevy Silverado feature four-bangers, the first time such a small engine has powered such a big truck. We explain the engineering that made it possible.