We Add 30 RWHP and 37 lb-ft Of Torque To A Mostly Stock '04 Cobra With Hypertech's 50-State-Legal Max Energy Programmer.

The Hypertech Max Energy Power Programmer has three tuning choices-Stage 1, Stage 2, and Stage 3-each setting more aggressive than the previous one.

Read about the Hypertech HyperPAC performance computer programmer installed in a 2006 Chevrolet Silverado HD 4X4 in Truckin' Magazine.

It sets shift points 2 mph lower, keeping engine rpm lower for more efficient fuel consumption. The Hypertech Max Energy Power Programmer features three-stage tuning for diesel-powered vehicles.