Now you can bolt-on an Edelbrock E-Force Supercharger system and boost the power in your Ford F-150, Expedition or Lincoln Navigator. The Ford F-150 Supercharger, Ford Expedition Supercharger & Lincoln Navigator Supercharger systems are specially designed for each application and will allow you to boost your performance up to an impressive 478 flywheel horsepower and 504 ft-lbs. of torque. These supercharger systems feature 14" long intake runners for maximum low end torque making them ideal for towing and off-road performance applications. * Supercharger systems without Tunes are not eligible for supplemental warranty. Supercharger systems sold without Tunes are only emissions legal when used with the correct Edelbrock tune, which can be downloaded on the supercharger tech support.