The Edelbrock E-Force Supercharger Stage 1 Street system for 2007-13 Silverado and Sierra 1500 increases the performance of your 5.3L Gen IV engine to 364 horsepower and 397 ft/lbs. of torque at the rear wheels. With the 4.8L Gen IV engine expect an increase to 334 horsepower and 380 ft/lbs. of torque at the rear wheels. Keeping the air cool is a high capacity air to water intercooler and low temp heat exchanger. The supplied tune is intended for completely stock vehicles with the exception of a cat-back exhaust. This kit will include a tune for 91 octane fuels.
