Move to the front with Sentra Nitrous Kits. To get the most bang for your buck, invest in a Nitrous Kit. Sentra Nitrous Kits will make others envious. A Nitrous Kit can double your horsepower depending on the size of your engine. New Sentra Nitrous Kits are essential. Make your vehicle much faster with a new Nitrous Kit. Nitrous Kits are the easiest way to add power to your vehicle.