Edelbrock E-Force Supercharger system - the most efficient supercharger on the market for the popular Chrysler 5.7L and 6.1L HEMI engines. These complete supercharger systems provide maximum flow, minimum temperature rise, quiet operation and reliability only the Edelbrock name can guarantee. They feature minimum air restriction in and out of the supercharger for optimal flow. They also include individual 7" long intake runners that allow for maximum low end torque and great drivability. These systems are available with an optional supplemental warranty, 3 years or 36,000 miles and 5 years or 60,000 miles to give you peace of mind when installing our supercharger system on your brand new vehicle.