Complete Kit. The Hellion Mustang Twin Turbo Kit comes with (2) Precision 55mm Turbos, (2) Turbosmart 40mm Wastegates, (2) Turbosmart VEE port bypass valves, 47 LB fuel injectors, a large vertical flow dual inlet intercooler, a handheld programmer with base tune installed and all the required parts and hardware needed to upgrade your mild manner pony to a wild snarling beast.