E-Force Supercharger systems are designed to boost your performance to 554 flywheel horsepower and 515 ft./lbs. of torque (with stock fuel pump) or 599 flywheel horsepower and 547 ft./lbs. of torque (includes high volume fuel pump). A unique feature of this systems is the 12" long intake runners that allow for maximum low end torque. An optional Edelbrock supplemental warranty, 3 years or 36,000 miles for 2005-06 models and 5 year or 100,000 miles for 2007-12 models is designed to give you piece of mind when installing it on a brand new car. Plus, this kit fits under the stock hood with no modifications without sacrificing runner length or intercooler area. Systems #1590 and #1591 can not be installed on Z06 or ZR1 models. (Systems #1574 and #1575 are for use with 2010-11 Corvette Grand Sport models equipped with a dry sump oil system.)