Proton Fly By Wire Nitrous System without Bottle Nitrous Express NX 20422-00 - USA-NX-20422-00 - Proton Fly By Wire Nitrous System without Bottle Proton nitrous systems combine performance, durability and value in a compact and easy to mount, made in the USA, nitrous / fuel module. Proton systems now contain a new and improved nitrous / fuel module that is capable of producing up to 250 horsepower to the wheels! The new nitrous / fuel module is extremely durable and is compatible with progressive nitrous controllers. This Proton Plus system includes jetting for 35HP, 50HP, 75HP, 100HP, 125HP and 150HP but can flow up to 250HP with the optional SHO jet kit. This system includes a single Shark nozzle, nozzle adapter, stainless braided nozzle lines, stainless fuel line, master arming switch, wide open throttle switch, 40 amp relay, relay harness as well as every nut, bolt and electrical connector needed to complete the installation. Fits all electronic fuel injected vehicles with a single throttle body. This system includes a TPS Autolearn wide open throttle module for use with all electronic fuel injected vehicles, including those with "fly by wire" electronic driven throttle bodies. THE NITRO BOTTLE IS EMPTY! Instructions PDF