The Nitrous Express Ford 4‑valve plate system (stock throttle body) for 1996–2004 Cobras and 2003–2004 Mach 1 Mustangs uses a billet plate that fits behind the throttle body and includes aluminum and carbon‑fiber solenoids plus an electronic TPS wide‑open throttle switch. The kit comes with jetting from 35–300hp, a 15‑foot nitrous feed line and all hardware required for installation, sold without a bottle.
Nitrous Express 96-04 Ford Mustang Cobra/Mach 1 4 Valve (Stock TB) Nitrous Kit (50-300HP) w/o Bottle