jatech 1 pc Plug and Drive Nitroobd2 Performance Chip Tuning Box for Benzine Cars Nitroobd2 Gasoline Car Fuel Optimization NitroOBD2 is a Chip Tuning Box which can be plugged into OBD2 connector of your car to increase the performance of your car. NitroOBD2 Chip Tuning Box does not exceed the manufacturer requirements. It works only within the tolerance of the engine NitroOBD2 finds out the hidden power of your car. NitroOBD2 does not damage the engine and the car computer ECU or not cause any negative effects to the car factory setting. NitroOBD2 does not change any of the settings permanently. To turn back to the car's original settings, just unplug NitroOBD2 from OBD2 connector.