03-09 Cummins AMP Power StepsDoes not fit mega cab GETTING INTO YOUR TRUCK SHOULDN'T FEEL LIKE CLIMBING MOUNT EVEREST. That's why AMP Research invented the PowerStep, the automatic, electric powered running board that instantly extends when you open your door, and then tucks itself back safely under the chassis when the doors close. When retracted, PowerStep is essentially hidden underneath your vehicle for improved ground clearance, aerodynamics and appearance. And when

and free-flowing path that enables us to out-perform other intakes on the market

THE PROCESS:

2-1/16" Z-Series Transmission Temperature Gauge

*Legal in California only for racing vehicles which may never be used upon a highway

C4 includes: 6 friction plates

Biggest Street injector recommended

proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average

Vehicle Speed

SW #8: +170 HP

Increased MPG

Engine Speed

Oil does not wear out