ZEX Blackout Nitrous Systems are the newest addition tothe ZEX family. With unprecedented looks, performanceand power potential, and like all ZEX nitrous systems, theBlackout kits incorporate the most technologicallyadvanced performance features available, including thepatented ZEX Active Fuel Control. This feature automaticallyadjusts the nitrous fuel enrichment so your enginenever runs too rich or too lean. Power settings vary for eachapplication specific system, and all kits ship complete withappropriate tuning jets, as well as fuel tap fittings, solenoids,filters and all necessary activation electronics.Systems feature all-new black powder-coated bottles, carbon-fiber looking hoses and fittings for a variety of carburetedand fuel injection applications that are perfect forstreet/strip and all out drag-racing applications. The ZEX plug & play nitrous system for the 2005-current Scion tC is designed for perfect fitment and installsin just two hours. The kit includes OEM quality fuel connectors, making it easy to hook-up the nitrous system?sfuel connections. Th Designed to add 55-75 additional HP; Electronic TPS switch activates nitrous at wide open throttle; Custom fuel connectors are supplied to make installation simple; no cuttingor drilling of your factory fuel system lines is required; Supplied fuel line quick connectorsmake the installation process easy, withno cutting or drilling needed. Fitment: 2005 Scion tC Base 2006 Scion tC Base 2007 Scion tC Base 2007 Scion tC Spec 2008 Scion tC Base 2008 Scion tC Spec 2009 Scion tC Base