The Super Max Turbo kit has been developed for Duramax LB7 engines producing up to 550 HP. They are a needed improvement over the stock turbo and downpipe! The Super Max Turbo kit comes complete with new exhaust down pipe, oil drain tube, hoses and gaskets. It bolts in place of the stock turbocharger. The Super Max Turbo is great for horsepower modified trucks towing heavy loads or for performance street / strip driven trucks. These units come with a 1-year warranty and can be rebuilt.