Boosting Power with a Stealth 64 Turbo 5.9 Cummins

Installing a stealth 64 turbo 5.9 cummins is easily one of the most satisfying upgrades you can do if you're tired of that sluggish, laggy feeling when you step on the gas. It's that sweet spot where you get a significant jump in performance without making your truck a nightmare to drive on the street. Most of us who live in the diesel world aren't looking to build a dedicated drag truck that only works at wide-open throttle; we want something that pulls hard, stays cool, and actually behaves itself when we're just grabbing groceries or hauling a trailer up a steep grade. ...

May 21, 2026 · 7 min · Beurteaux Socrates