This system includes the latest technology and the best components available. For you tech hungry junkies we will provide some details explaining what makes this nitrous system so great. The key to maximizing nitrous horsepower is to keep the nitrous in a dense liquid form until it is injected into the engine. Sharp bends in the nitrous flow path cause the nitrous flow to become turbulent which causes gaseous bubbles to form in the flowing nitrous. Dense liquid nitrous makes more power than gaseous nitrous Period! This NX nitrous system contains the key components that ensure you are getting maximum power per pound of nitrous used. 3/16" Stainless tubing kit to install a four cylinder direct port nitrous system Four 14 inch pieces Four 16 inch pieces