Hypertech’s Max Energy 2.0 Programmer Adds 45 hp and 68 lb-ft of torque to ’11-to-’16 6.6L Duramax LMLs Just outside Chet Kokkeler’s office sits the fleet of trucks, equipment, trailers, and vehicles ...

In years past, it was a major effort of both time and money to increase your vehicle's torque and horsepower by physically removing and replacing engine components like the camshaft, intake manifold, ...