When the ’08 Ford Super Duty debuted with common-rail injection and compound turbochargers under the hood, it was a true gift from the manufacturer. A short while after its release, it wasn’t uncommon ...

Owning a Cummins-powered rig is already a flex. That deep, rumbling idle. The way the turbo whistles when you roll into the throttle. The satisfying grunt as it effortlessly tows what would make most ...