The Nitrous Express GT500 Nitrous Plate System features a billet nitrous plate that fits behind the throttle body making installation quick, simple, and attractive. The system includes aluminum and carbon fiber solenoids, for ultimate performance and weight savings. The system includes a NX fuel rail adapter for simple fuel system hook-ups (no need to cut factory fuel lines), TPS wide open throttle switch, 15 foot nitrous feed line, master arming switch, relay, relay harness and all necessary hardware to complete installation. System comes with jetting from 35hp-300hp. System can be purchased with 5, 10 or 15lb bottle, all of which include the Billet aluminum Lightning 45 bottle valve. Fits 2007-2014 Shelby GT500 Mustangs.