The ZEX? Dual Stage EFI Nitrous System is more effective than a typical single stage system because it gradually adds the nitrous power in two separately controlled stages instead of one big "hit" to give you a faster quarter mile e.t. The first nitrous stage is activated automatically when you go to wide-open throttle via the TPS-mounted switch. The second stage activates when you press an additional activation push-button. It also includes jets for adding an extra 50-300 horsepower and is a complete kit, right down to the wire ties.

• ·      Tunable from 50-300 horsepower.
• ·      Two separate power stages for maximum traction control.
• ·      Fuel Shear technology injects enrichment fuel directly into nitrous plume for better atomization.
• ·      Active Fuel Control adjusts fuel enrichment in accordance with bottle pressure so you'll never run to rich or to lean.