Picking the Right 12v Cummins Twin Turbo Kit for Your Rig

I've seen plenty of trucks, but nothing quite compares to the raw potential of a 12v cummins twin turbo kit once you get it bolted on and tuned correctly. If you've spent any time around the diesel community, you know the 12-valve 5.9L engine is basically the "holy grail" of reliability and mechanical simplicity. But let's be honest—in its stock form, that single turbo can feel a bit lazy, especially if you're trying to tow heavy or keep up with modern traffic. Switching to a twin (or compound) setup changes the entire personality of the truck. ...

May 15, 2026 · 7 min · Brendan Michelle