Professional Power Prog OBD2 OBDII Chip Tuning Box Interface For Benzine Car Fits all car and small trucks from the year of 1996 to 2016 in the United States. NitroOBD2 is equipped with the engine protection function and 100% safe for your car engine. NitroOBD2 works on the basis of changing the signal form ECU, so it is the cheap and safe type of tuning. Plug and Drive NitroOBD2 Chip Tuning Box for Benzine Cars: 35% More Power, 25% More torque.NitroOBD2 adjusts the boost pressure, quantity of fuel, injection timing and pressure to increase the performance of your car. Super easy to setup! Plug NitroOBD2 into OBD2 connector of your car. And turn the ignition on for 30 seconds. And Turn the engine on. NitroOBD2 will recognize your vehicle and your driving habits after around 200 km/150 miles driving, and then NitroOBD2 adjusts itself to match your car perfectly. OBD2 necessarily for cars, OBD systems are designed to monitor the performance of some of an engine's major components including those responsible for controlling emissions