Air Injection Removal KitCaracteristicas: Machined from aluminum in a low profile design and coated black to match the head perfectly or left raw: either way they virtually disappear This upgrade has all the components needed to replace the air injection system for a finished look and a cooler running engine Reduction in Exhaust temperature Discourages blue pipes Reduces lean conditions Includes low profile air injection plugs, copper crush gaskets, rubber nipples and an air