If 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. Includes Jetting from 50-250HP and can be jetted up to 500HP with additional jetting. Includes Stainless Steel Bottle Brackets, NX Piranha Nozzles, Aircraft Quality Steel Braided Hoses, 12ft Stainless Steel Braided 4AN Feedline and Nickel Plated Fittings. Made in U.S.A.