Take the competition to the cleaners with upgraded Trans Am Nitrous Kits. To get the most bang for your buck, invest in a Nitrous Kit. Trans Am Nitrous Kits are attention getters. A Nitrous Kit can double your horsepower depending on the size of your engine. Speed up with Trans Am Nitrous Kits. Make your vehicle much faster with a new Nitrous Kit. Nitrous Kits are the easiest way to add power to your vehicle.