2003-07 Silverado/Sierra 4.8L/5.3L/6.0L Supercharger No Tuner

The Edelbrock E-Force Supercharger Stage 1 Street system for 2003-06 Silverado and Sierra 1500 and 2007 Sierra Classic increases the performance of your 6.0L Gen III engine to 364 horsepower and 397 ft/lbs. of torque at the rear wheels, when used with Edelbrock tune (kit supplied without a programmer). Keeping the air cool is a high capacity air to water intercooler and low temp heat exchanger. HANDHELD PROGRAMMER NOT INCLUDED. This system increases the performance of your 4.8L Gen III engine to 339 horsepower and 359 ft/lbs. of torque and for the 5.3L Gen III engine increases to 339 horsepower and 359 ft/lbs. of torque at the rear wheels, when used with Edelbrock tune (kit supplied without a programmer).