The ZEX Classic Purple Nitrous System is iconic ZEX. Onlookerswill recognize the infamous purple bottle as yourace past the competition. This Classic Purple System issure to draw attention and have the crowd talking. 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