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At the heart of our test truck is a 5.3L V-8 with a Gibbs/Magnuson-designed Eaton Generation V Roots-type supercharge/intercooler system conservatively rated at 395 hp and 425 lb-ft of torque. This dealer-installed package (that includes an intercooler) adds $5,460 to the price of the truck. The supercharger manufactures about 5.5 lbs of boost, yielding awesome power is awesome and civilized street manners. The supercharger cover is made of carbon fiber.