f you are a serious nitrous junkie on a tight budget we have what you have been waiting for! NX introduces MainLine Nitrous Systems. MainLine Systems benefit from the years of research and development that made Nitrous Express the leader in the nitrous world, but at a price even the most budget-restricted racer can afford. Just the basics, no frills, just rock solid performance at rock bottom prices. Jetting for 100, 150, 200 & 250HP. The ML1000 will outperform any other 250HP carbureted kit on the market, guaranteed to make 250HP. Most of it s competitors promise 250HP but only produce 160WHP!