The pressure inside your intake manifold is extremely important input to the ECU. A quality MAP sensor is crucial to your engines performance. These sensors will respond to changes in manifold pressures and relay the information to the ECU in the form of a voltage signal ranging. We have tested these sensors on many kinds of vehicles such as Honda/Acura vehicles making 600-700 horsepower to Dodge Viper Turbo vehicles making 1000 horsepower! Installing this sensor is very easy!