DPT, DPT-VS-BL, Car Truck Audio Blue Volt Voltage Hyper Stabilizer Regulator Engine Fuel Saver C-west racing voltage stabillizer Light weight cnc machined aluminum with biult in heat sinks 4.25"x2.5" cody can be intalled anywhere 0.5ma draw so it will not drain the battery Will gain minimum 3HP and as much as 15HP