Monstercharger is Designed to pick up where our emissions legal street kits leave off, The JR Monstercharger by BR Performance delivers 70% more horsepower and torque! Amazingly, this is not a set of cobbled up race parts that would turn your Miata into a temperamental thoroughbred. You will enjoy the reliability your Miata is famous for, and a driving experience that will leave you breathless. The heart of the system is the Eaton 4th Generation MP62 supercharger. Used by Auto-makers such as Jaguar, Mercedes, GM and Ford, the Eaton supercharger is simply the most reliable and best performing method of forced induction. More impressive than its dependability, is its ability to deliver seamless power in a smooth and linear fashion. Unlike a turbo, which has an inherent lag from the time you step on the gas, the Eaton supercharger creates an instant rush of power. You get massive amounts of torque, from the the bottom of the RPM range to redline. In simple terms, your Miata will feel as if it has a powerful V8 under the hood. Brains are provided by Jackson Racing’s new digital Powercard. The JR Powercard incorporates the latest in microprocessor technology and features an industry first tuning solution that is self-diagnostic. Powercard is simple to intall and seamlessly integrates with your factory ECU and injectors. During idle, mild acceleration or cruise, your car reacts just as the maker intended. Mash the throttle and Powercard responds with added fuel in milliseconds. Coupled with instantaneous supercharged boost, power is delivered as fast as your right foot can work the accelerator pedal. Engineered for Jackson Racing by BR Performance the system is designed for bolt on installation, utilizing precision machined stainless steel and billet aluminum bracketry. Complete instructions and top grade hardware round out this awesome Supercharger System. One weekend in the garage and you’ll never again be left at the lights. Why are you waiting?