The Ecopra kit reduces fuel consumption by 15-50% and emissions by 50-80%. The Ecopra kit (based on the Ranque-Hilsch effect) uses a endothermic and catalytic reactions attracting radiant energy to create a Ionised plasma gas which is sucked in to the manifold optimising the combustion . It's also referred to as a "endothermic catalytic steam reformer"....The engine runs smoother hence less noise, engine wear, oil consumption and up to 20% torque increase has been recorded.Ecopra is insured by Europe's biggest insurance company AGF(Allianz France).1 Years warranty.