Nitrous Express 4150 4-BBL Hitman Plate System (100-200 horse power) with 10 pounds Bottle is for the enthusiast who wants to use nitrous yet does not want to spend a lot of money. The Hitman is the way to go. Equipped with the latest Lightning 45 bottle valve, stainless bottle brackets and the adjustability of three horsepower settings: 100-150-200. The Phase 3 series nitrous plates are the Next Generation in nitrous performance and reliability. This new innovation in plates provides superior distribution and outstanding atomization. With no spray bars to sag, split, block airflow, or damage this is truly the Next Generation in plate technology. The Hitman is the perfect, low cost, introductory system for the nitrous novice.