2003-2004 Supercharged V8 Explorer   The Eaton is the supercharger of choice for many OEM‘s, including: Ford, Aston Martin, ntiac, Nissan, and Jaguar. The OEM’s have their reasons for choosing the Eaton product, and so do we: instant   boost, lower charge temps at useable boost levels, 100,000 mile durability, and quiet operation. Allen has always insisted on intercooling all of our kits, even before it was in style, and the OEM’s (and termarket) have followed in our footsteps. Our latest Explorer/Mountaineer Supercharger kits feature an Allen designed M90 supercharger case with a 5th Generation Eaton rotor pack. This supercharger case was specifically designed by Allen for our street supercharger systems, and features improved inlet and discharge ports for quieter and more efficient operation. Super quiet and super dependable, Eaton Superchargers rule the streets where “Torque is King”. All Allen street legal systems are complete bolt on kits, and come with a with a one year warranty. (3 year warranty available. ) and come with a with a one year warranty. (3 year warranty available. )   The 4.6 liter Explorers and Mountaineers come with a new generation Electronic Engine Control computer, and thus require a handheld computer instead of a chip. This allows the computer to be re-Flashed by connecting it toyour diagnostic port and downloadingthe new files.Earlier Explorer kits required theprocessor to be sent to us, reflashedand returnedin a week or so, We gladly do not have to do this anymore.